diff --git a/src/pbxproj/object/collection.rs b/src/pbxproj/object/collection.rs
index c881a04..ec13925 100644
--- a/src/pbxproj/object/collection.rs
+++ b/src/pbxproj/object/collection.rs
@@ -1,5 +1,9 @@
-use super::PBXObject;
-use std::{cell::RefCell, collections::HashMap, rc::Weak};
+use super::{PBXObject, PBXTarget, XCRemoteSwiftPackageReference};
+use std::{
+    cell::RefCell,
+    collections::HashMap,
+    rc::{Rc, Weak},
+};
 
 /// An alias for weak reference of [`PBXObjectCollection`]
 pub type WeakPBXObjectCollection = Weak<RefCell<PBXObjectCollection>>;
@@ -8,7 +12,12 @@ pub type WeakPBXObjectCollection = Weak<RefCell<PBXObjectCollection>>;
 #[derive(Default, Debug, derive_new::new, derive_deref_rs::Deref)]
 pub struct PBXObjectCollection(pub(crate) HashMap<String, PBXObject>);
 
+/// TODO: make collections a HashSet of PBXObject with identifier included?
 impl PBXObjectCollection {
+    pub(crate) fn set_inner(&mut self, map: HashMap<String, PBXObject>) {
+        self.0 = map;
+    }
+
     /// Add new object. same as insert but it auto create id and returns it
     pub fn push<O: Into<PBXObject>>(&mut self, object: O) -> String {
         let id = uuid::Uuid::new_v4().to_string();
@@ -16,54 +25,58 @@ impl PBXObjectCollection {
         id
     }
 
-    pub(crate) fn set_inner(&mut self, map: HashMap<String, PBXObject>) {
-        self.0 = map;
+    /// Get PBXTarget by reference
+    pub fn get_target<'a>(&'a self, reference: &str) -> Option<Rc<RefCell<PBXTarget>>> {
+        self.get(reference)?.as_pbx_target().map(|r| r.clone())
     }
 
-    // /// Get PBXTarget by the target name
-    // pub fn get_target_by_name<'a>(
-    //     &'a self,
-    //     target_name: &'a str,
-    // ) -> Option<(&'a String, Ref<'a, PBXObject>)> {
-    //     self.0
-    //         .iter()
-    //         .find(|(_, &o)| {
-    //             let target = match *o.borrow() {
-    //                 PBXObject::PBXAggregateTarget(ref v) => &v.inner,
-    //                 PBXObject::PBXLegacyTarget(ref v) => &v.inner,
-    //                 PBXObject::PBXNativeTarget(ref v) => &v.inner,
-    //                 _ => return false,
-    //             };
-    //             if let Some(name) = target.name.as_ref() {
-    //                 name == target_name
-    //             } else {
-    //                 false
-    //             }
-    //         })
-    //         .map(|(key, o)| (key, o.borrow()))
-    // }
+    /// Get XCRemoteSwiftPackageReference from a vec of references
+    pub fn get_packages_from_references<'a>(
+        &'a self,
+        references: &Vec<String>,
+    ) -> Vec<(String, Rc<RefCell<XCRemoteSwiftPackageReference>>)> {
+        references
+            .iter()
+            .map(|id| {
+                let package = self.get(id)?.as_xc_remote_swift_package_reference()?;
+                Some((id.clone(), package.clone()))
+            })
+            .flatten()
+            .collect()
+    }
 
-    // /// Get PBXTarget by reference
-    // pub fn get_target(&self, reference: &str) -> Option<&PBXObject> {
-    //     if let Some(object) = self.get(reference) {
-    //         if object.borrow().is_pbx_target() {
-    //             return Some(Rc::downgrade(object));
-    //         }
-    //         None
-    //     } else {
-    //         None
-    //     }
-    // }
+    /// Get PBXTarget from a vec of references
+    pub fn get_targets_from_references<'a>(
+        &'a self,
+        references: &Vec<String>,
+    ) -> Vec<(String, Rc<RefCell<PBXTarget>>)> {
+        references
+            .iter()
+            .map(|id| {
+                let target = self.get_target(id)?;
+                Some((id.clone(), target.clone()))
+            })
+            .flatten()
+            .collect()
+    }
 
-    // /// Get mutable PBXTarget by reference
-    // pub fn get_target_mut(&mut self, reference: &str) -> Option<&mut PBXObject> {
-    //     if let Some(object) = self.get_mut(reference) {
-    //         if object.is_pbx_target() {
-    //             return Some(object);
-    //         }
-    //         None
-    //     } else {
-    //         None
-    //     }
-    // }
+    /// Get PBXTarget by the target name
+    pub fn get_target_by_name<'a>(
+        &'a self,
+        target_name: &'a str,
+    ) -> Option<(String, Rc<RefCell<PBXTarget>>)> {
+        self.iter()
+            .find(|(_, o)| {
+                if let Some(target) = o.as_pbx_target() {
+                    if let Some(name) = target.borrow().name.as_ref() {
+                        name == target_name
+                    } else {
+                        false
+                    }
+                } else {
+                    false
+                }
+            })
+            .map(|(key, o)| (key.clone(), o.as_pbx_target().unwrap().clone()))
+    }
 }
diff --git a/src/pbxproj/object/project.rs b/src/pbxproj/object/project.rs
index ce44d76..98b9b96 100644
--- a/src/pbxproj/object/project.rs
+++ b/src/pbxproj/object/project.rs
@@ -46,41 +46,25 @@ pub struct PBXProject {
 impl PBXProject {
     /// Get packages that the project uses
     #[must_use]
-    pub fn packages<'a>(&self) -> Option<Vec<Rc<RefCell<XCRemoteSwiftPackageReference>>>> {
+    pub fn packages<'a>(
+        &self,
+    ) -> Option<Vec<(String, Rc<RefCell<XCRemoteSwiftPackageReference>>)>> {
         let package_references = self.package_references.as_ref()?;
         let objects = self.objects.upgrade()?;
         let objects = objects.borrow();
-        let mut packages = vec![];
-
-        for id in package_references.iter() {
-            if let Some(object) = objects
-                .get(id)
-                .map(|o| o.as_xc_remote_swift_package_reference())
-                .flatten()
-            {
-                packages.push(object.clone())
-            }
-        }
-
-        Some(packages)
+        Some(objects.get_packages_from_references(package_references))
     }
 
     /// Get targets for given reference
     #[must_use]
-    pub fn targets(&self) -> Vec<Rc<RefCell<PBXTarget>>> {
-        let objects = if let Some(objects) = self.objects.upgrade() {
-            objects
+    pub fn targets(&self) -> Vec<(String, Rc<RefCell<PBXTarget>>)> {
+        let target_references = self.target_references;
+        if let Some(objects) = self.objects.upgrade() {
+            let objects = objects.borrow();
+            objects.get_targets_from_references(&target_references)
         } else {
-            return vec![];
-        };
-        let objects = objects.borrow();
-        let mut targets = vec![];
-        for id in self.target_references.iter() {
-            if let Some(traget) = objects.get(id).map(|v| v.as_pbx_target()).flatten() {
-                targets.push(traget.clone())
-            }
+            vec![]
         }
-        targets
     }
 
     /// Returns the attributes of a given target.