Le Diep Long Bien and Pham Cong Thieu 2005: Evaluation of shrimp head meal and cassava leaf meal as protein sources in diets for Luong Phuong Hoa laying hens.  Workshop-seminar "Making better  use of local feed resources" (Editors: Reg Preston and Brian Ogle) MEKARN-CTU, Cantho, 23-25 May, 2005. Article #30. Retrieved, from http://www.mekarn.org/proctu/bien30.htm