Utilisation of Fertility Awareness Based-Methods (FABMs) of Family Planning Among Senior Secondary Students in Okrika Kingdom, Rivers State. American Journal of Pediatric Medicine and Health Sciences (2993-2149), [S. l.], v. 4, n. 9, p. 34–41, 2026. Disponível em: https://grnjournal.us/index.php/AJPMHS/article/view/9752. Acesso em: 30 sep. 2026.