HANDAMARI, E. W. Usage Pattern Exploration of Effective Contraception Tool. Journal of Research in Mathematics Trends and Technology, [S. l.], v. 1, n. 1, p. 1–5, 2019. DOI: 10.32734/jormtt.v1i1.750. Disponível em: https://talenta.usu.ac.id/jormtt/article/view/750. Acesso em: 24 aug. 2025.