Thu Huong, P., 		Hung Thinh, P., 		Thi Anh Thu, H., 		Thi Dieu Hoa, N., 		Thi Thu Ha, N., & 		Thi Minh Hong, T.
2026 Feb  2.  Preparation of Calcium Tablets from Nano Calcium Carbonate Synthesized from Chicken Egg Shells. VNU Journal of Science: Medical and Pharmaceutical Sciences. [Online] :