©2013 National Research Council of Thailand
Kreingkrai Choprakarn. 1999. Egg-laying characteristics in Thai indigenous chickens. , Tokyo University of Agriculture;
Kreingkrai Choprakarn. (1999) Egg-laying characteristics in Thai indigenous chickens . Tokyo University of Agriculture/Tokyo.
Kreingkrai Choprakarn. Egg-laying characteristics in Thai indigenous chickens. . Tokyo:Tokyo University of Agriculture, 1999.
Kreingkrai Choprakarn. (1999) Egg-laying characteristics in Thai indigenous chickens . Tokyo University of Agriculture/Tokyo.