Wulandari, T., Deliana, M., Sofyani, S. and Lubis, S. (2018) “Relationship between age at menarche and exposure to sexual content in audio-visual media and other factors in Islamic junior high school girls”, Paediatrica Indonesiana, 57(6), pp. 323-8. doi: 10.14238/pi57.6.2017.323-8.