Garg, Sughandha, and Debayan Mallik. “Role of Vitamin D As an Adjuvant to Oral Hypoglycemic Drugs in Treatment of Type-2 Diabetic Patients”. Asian Journal of Medical Sciences, vol. 11, no. 2, Feb. 2020, pp. 25-29, https://nepjol.info/index.php/AJMS/article/view/26924.