“An Exploratory Study of Menstruation and Menstrual Hygiene Knowledge Among Adolescents in Urban and Rural Secondary Schools in Cross River State, Nigeria”, AJBR, vol 23, số p.h 3, tr 321–326, tháng 9 2020, Truy cập: 26 Tháng Tư 2026. [Online]. Available at: https://ojshostng.com/index.php/ajbr/article/view/494