A.Pookpakdi, A. Chinchest, S. Laoh siriwong, P. Laosuwan, T. Maolanont, R.J. Lawe, and B.C. Imrie. “Regional and Seasonal Effects on Phenology of Mungbean ( Vigna radiate ( L.) Wilczek ) and Black Gram ( Vigna radiate ( L.) Hepper ) in Thailand”. Agriculture and Natural Resources 22, no. 1 (March 31, 1988): 45–55. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/242331.