Richa, S., Gupta, S., Roy, S., Urmila, U. and Sumiya, S. (2026) “A Study To Evaluate The Effectiveness Of Selected Audio-Visual Modalities On Level Of Knowledge Rergarding Various Impacts Of Substance Abuse Among Adolescents At Higher Secondary Schools, Kanpur, Up.”, International Journal of Pharmaceutics and Drug Analysis, 14(3), pp. 42-46. doi: 10.47957/ijpda.v14i3.756.