"An Exploratory Study of Menstruation and Menstrual Hygiene Knowledge Among Adolescents in Urban and Rural Secondary Schools in Cross River State, Nigeria" (2020) African Journal of Biomedical Research, 23(3), ص 321–326. موجود في: https://ojshostng.com/index.php/ajbr/article/view/494 (تاريخ الوصول: 6 أبريل 2026).