Mumani، A. A.، و Stone، R. (2018). User-Packaging Interaction (UPI): Comprehensive Research Platform and Techniques for Improvement, Evaluation, and Design (رسالة دكتوراه غير منشورة). Iowa State University، آيوا. مسترجع من http://search.mandumah.com/Record/999240
Mumani، Ahmad Abdelhafiz، و Richard Stone. "User-Packaging Interaction (UPI): Comprehensive Research Platform and Techniques for Improvement, Evaluation, and Design" رسالة دكتوراه. Iowa State University، آيوا، 2018. مسترجع من http://search.mandumah.com/Record/999240