Niwat Muangkeow. 1994. Pigeonpea (Cajanus cajan L.) seed meal in poultry diets. , University of Philippines Los Banos;
Niwat Muangkeow. (1994) Pigeonpea (Cajanus cajan L.) seed meal in poultry diets . University of Philippines Los Banos/Los Banos.
Niwat Muangkeow. Pigeonpea (Cajanus cajan L.) seed meal in poultry diets. . Los Banos:University of Philippines Los Banos, 1994.
Niwat Muangkeow. (1994) Pigeonpea (Cajanus cajan L.) seed meal in poultry diets . University of Philippines Los Banos/Los Banos.