Sorapong Benchasri และ Charassri Nualsri. (2009) Heritability of Resistance to Cowpea Aphid (Aphis craccivora Koch) in Yard Long Bean and Cowpea. <i>Thai Agricultural Research Journal</i>, <i>27</i>(3), 275-286.Sorapong Benchasri และ Charassri Nualsri. "Heritability of Resistance to Cowpea Aphid (Aphis craccivora Koch) in Yard Long Bean and Cowpea.". Thai Agricultural Research Journal 27 (2009):275-286.Sorapong Benchasri และ Charassri Nualsri. Heritability of Resistance to Cowpea Aphid (Aphis craccivora Koch) in Yard Long Bean and Cowpea. Department of Agriculture:ม.ป.ท. 2009.