B.S. SIDDARAMAIAB AND B. RAJANNA. Relative Effectiveness of Combinations of Radio, Slide Show And Film Show - A.n Experimental Evidence. Indian Journal of Extension Education, India, v. 20, n. 1-2, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161285. Acesso em: 13 jun. 2026.