APA Style

rahman, D. (2021). Role of vitamin D supplementation on patients of sever copd to reduce exacerbations . BSMMU: Dr.Md.Habibur rahman.

MLA Style

rahman, Dr.Md.Habibur. "Role of vitamin D supplementation on patients of sever copd to reduce exacerbations". BSMMU: Dr.Md.Habibur rahman, 2021. Thesis.