Haruthaithanasan, P., and T. Chommuang. “Residue Trial of Dimethoate in Tangerine to Establish Maximum Residue Limit, MRL”. Thai Agricultural Research Journal, vol. 10, no. 1, May 1992, pp. 16-19, https://li01.tci-thaijo.org/index.php/thaiagriculturalresearch/article/view/261462.