Hung Pham Van, Tung Nguyen Thanh, Nhat Hoang Thi Anh, Hieu Bui Trung, Uyen Dinh Thi Thu, Duyen Nguyen Thi Thanh* 2025. Development of sustained-release floating tablets of diltiazem hydrochloride. Vietnam Journal of Science, Technology and Engineering. 67, 4 (Dec. 2025). DOI:https://doi.org/10.31276/VJSTE.2024.0140.