Nagadi، S. A.، و Jessop، N. (2000). Development of the in Vitro Gas Production Technique to Assess Degradability of Forages by Ruminants (رسالة دكتوراه غير منشورة). University of Edinburgh، إدنبرة. مسترجع من http://search.mandumah.com/Record/610317
Nagadi، Sameer A.، و Neil Jessop. "Development of the in Vitro Gas Production Technique to Assess Degradability of Forages By Ruminants" رسالة دكتوراه. University of Edinburgh، إدنبرة، 2000. مسترجع من http://search.mandumah.com/Record/610317