Payoaw Phompanjai และ Somjai Kowsurat; Pornparn Sudidhyam; Vichon Nawnoi. (2003) Population of Bruchid (Callosobruchus maculates Fabricious) in Three Thickness of Pod wall of Cowpea under Different Storage Periods. <i>Thai Agricultural Research Journal</i>, <i>21</i>(2), 152-159.Payoaw Phompanjai และ Somjai Kowsurat; Pornparn Sudidhyam; Vichon Nawnoi. "Population of Bruchid (Callosobruchus maculates Fabricious) in Three Thickness of Pod wall of Cowpea under Different Storage Periods". Thai Agricultural Research Journal 21 (2003):152-159.Payoaw Phompanjai และ Somjai Kowsurat; Pornparn Sudidhyam; Vichon Nawnoi. Population of Bruchid (Callosobruchus maculates Fabricious) in Three Thickness of Pod wall of Cowpea under Different Storage Periods. Department of Agriculture:ม.ป.ท. 2003.