MS. RICHASHAKYA, MS. SAVITRI GUPTA, MS. SHAILJA ROY, MS. URMILA. 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 Pharmacy Research & Technology (IJPRT), [S. l.], v. 16, n. 2, p. 6736–6740, 2026. Disponível em: https://ijprt.org/index.php/pub/article/view/3393. Acesso em: 20 oct. 2026.