Gulzar, M. 2018. How effective are planned teaching programmes regarding HIV/AIDS amongst the adolescent girl students? A case study using Ludwig von Bertanlaffy’s general system model. International Journal of Scientific Reports. 4, 10 (Sep. 2018), 246–253. DOI:https://doi.org/10.18203/issn.2454-2156.IntJSciRep20184192.