Chaowattanawong , P. . ., Punyawattoe , P. ., Chaiyasingh , N. ., Supornsin, S. ., Sucharitamjariyangkul , W. ., Thongsam, C. . and Sangwan, V. . (2020) “Trunk Injection Application by Abamectin and Emamectin benzoate for Controlling Black Head Caterpillar, Opisina arenosella Walker in Nam-Hom Coconut”, Thai Agricultural Research Journal, 38(2), pp. 170–181. doi: 10.14456/thaidoa-agres.2020.13.