Bashyal R. A study on activation of polyethylene glycol and its characterization by infrared spectroscopy and thin layer chromatography. J. Agric. For. Univ. [Internet]. 2022 Dec. 16 [cited 2024 Nov. 21];5(1):271-5. Available from: https://nepjol.info/index.php/jafu/article/view/48474