Pankaj Yadav, “ANALYZING BIRTH INTERVALS: USUAL CLOSED VS. MOST RECENT CLOSED APPROACH”, ijdsml, vol. 2, no. 01, pp. 01–04, Jan. 2022, Accessed: Feb. 06, 2026. [Online]. Available: https://www.academicpublishers.org/journals/index.php/ijdsml/article/view/48