J.P. HRABOVSZKY. A note on Research Methodology. Indian Journal of Extension Education, India, v. 1, n. 4, p. 313–314, 1966. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/159448. Acesso em: 5 jun. 2026.