N. NAGARAJ AND H.N. BYRA REDDY. Relative Effectiveness or Le.cture, Tape- Recorded Lecture and Their Combinations with Selected Visuals. Indian Journal of Extension Education, India, v. 21, n. 3-4, p. 43–52, 2024. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/161064. Acesso em: 29 oct. 2025.