Dhakal, Rajendra, Nabin Basnet, and Ajaya Bhattarai. “Brief History of Surfactants, Their Applications, and Research in Nepal”. Damak Campus Journal 13, no. 1 (December 31, 2024): 33–41. Accessed March 9, 2025. https://nepjol.info./index.php/dcj/article/view/74484.