Songpon Chariyawitdhayawat. 1993. Embryological studies of Th14 multivoltine silkworm (Bombyx mori L.) and effect of cold preservation on hatchability. Graduate School, Kasetsart University;
Songpon Chariyawitdhayawat. (1993) Embryological studies of Th14 multivoltine silkworm (Bombyx mori L.) and effect of cold preservation on hatchability . Kasetsart University/Bangkok.
Songpon Chariyawitdhayawat. Embryological studies of Th14 multivoltine silkworm (Bombyx mori L.) and effect of cold preservation on hatchability. . Bangkok:Kasetsart University, 1993.
Songpon Chariyawitdhayawat. (1993) Embryological studies of Th14 multivoltine silkworm (Bombyx mori L.) and effect of cold preservation on hatchability . Kasetsart University/Bangkok.