MRS. GEETANJALI KUMARI; RAKESH KUMAR SONI; RISHAV RAJ; RIMJHIM KUMARI; DEWANTI KUMARI; NEHA KUMARI; NISHA RAJ; SARITA KISKU; SEEMA KHATOON. Effectiveness of a Video-Assisted Teaching Programme on Knowledge and Behaviour Regarding the Impact of Mobile Phone Usage on Mental Health and Academic Performance among School Students: A Pre-Experimental Study. International Journal of Pharmacy Research & Technology (IJPRT), [S. l.], v. 16, n. 2, p. 1847–1853, 2026. Disponível em: https://ijprt.org/index.php/pub/article/view/2596. Acesso em: 7 aug. 2026.