Egwuaba, E. U., and B. A. Sunday. “Substance Use, Mental Disorder and Criminal Behaviour Among Adolescents in Federal Capital Territory (FCT), Abuja, North- Central, Nigeria”. Gusau International Journal of Management and Social Sciences, vol. 8, no. 2, Oct. 2025, pp. 225-46, doi:10.57233/gijmss.v8i2.13.