Oluwagbemiga, A., A. Johnson, A. Florence Bolajoko, M. Giro, Y. Rasheed, and F. Tolushe. “Substance Abuse and Sexual Frequency Among Youths: Implications for Sexually-Transmitted Infections in Nigeria”. Journal of Public Health in Africa, vol. 13, no. 4, Jan. 2023, doi:10.4081/jphia.2022.1512.