Koirala, Pramod, Nawa Raj Dahal, Jiwan Prava Lama, and Uttam kumar Bhattarai. 2009. “Assessment of Certain Pesticide Residues in Nepalese Tea”. Journal of Food Science and Technology Nepal 4 (June):31-33. https://www.nepjol.info/index.php/JFSTN/article/view/1993.