Shrestha, Sumitra, Sangit Maharjan, Sonu Pakhrin, Antesh Poudel, Sujan Poudel, Naresh Thapa, Arjun Gaire, and Dr. Jeevan Raj Shrestha. 2021. “‘Estimation and Validation of Methylcobalamin in Tablet Dosage Form Using UV-Visible Spectrophotometric Method’”. American Scientific Research Journal for Engineering, Technology, and Sciences 77 (1):220-29. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/6715.