Srifa, T., Somwang, T., Panitnok, K., Yusuk, P., Sarutayophat, T., and Nitthaisong, P. “Effect of combination fertilizer on growth and yield of Cassava cv. Rayong9 in Thailand”. International Journal of Agricultural Technology, vol. 21, no. 1, Jan. 2025, pp. 287-98, https://li04.tci-thaijo.org/index.php/IJAT/article/view/5194.