MUFLIHAN; WAHYUNI, S. . The Stock System of Contraceptive Devices at the Website-Based BKKBN of Langkat. Jurnal Mantik, [S. l.], v. 6, n. 3, p. 2900-2906, 2022. DOI: 10.35335/mantik.v6i3.3007. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/3007. Acesso em: 22 apr. 2026.