RICHA, S.; GUPTA, S.; ROY, S.; URMILA, U.; SUMIYA, S. 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, [S. l.], v. 14, n. 3, p. 42-46, 2026. DOI: 10.47957/ijpda.v14i3.756. Disponível em: https://www.ijpda.org/index.php/journal/article/view/756. Acesso em: 14 nov. 2026.