[1]
Montatip Yunchalad, Yu Konglin, Ngamjit Lowithun, Winus Puminat and Siriporn Stonsaovapak 2002. National Swine Research and Training Center, Suwanwajokkasikit Institute, Kasetsart University, Bangkok 10900,Thailand. Agriculture and Natural Resources. 36, 3 (Sep. 2002), 253–260.