Suwanna Promthong; Uthai Kanto; Chanin Tirawattanawanich; Soontaranee Tongyai; Supaporn Isariyodom; Kanchana Markvichitr; Arunee Engkagul. The Comparative Effects of Corn and Cassava Diets on Physiological Properties of Gastrointestinal Tract of Broilers. Agr. Nat. Resour. 2004, 38, 113-119.