Wuttiwong, K.- on, Permkam, S., Ngampongsai, A., & Nualsri, C. (2010). Increasing of  Bean  Aphid (Aphis craccivora Koch) with Length and    Density  of  Adaxial  Hairs  in  Yard Long Bean nad Cowpea (Vigna  unguiculata (L.)Walp)   . Thai Agricultural Research Journal, 28(1), 13. https://doi.org/10.14456/thaidoa-agres.2010.12