Study on the effect of contraceptive usage among students (a case study of Federal School of Statistics Manchok Kaduna State). JOURNAL OF BASICS AND APPLIED SCIENCES RESEARCH, [S. l.], v. 3, n. 3, p. 144–153, 2025. DOI: 10.4314/jobasr.v3i3.16. Disponível em: https://jobasrfudutsinma.com/index.php/ojs-files/article/view/216. Acesso em: 30 mar. 2026.