Ratanariwong , Sukit, Vinai Sarawat, Walaiporn Sasiprapa, Nareelak Wannasai, and Sopita Somkid. “Application of Cassava Model for Assessment of Site Specific Technology     ”. Thai Agricultural Research Journal 28, no. 2 (August 31, 2010): 144. Accessed May 17, 2024. https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/91565.