C. MILTON COUGHENOUR. Technology, Diffusion and the Theory of Action. Indian Journal of Extension Education, India, v. 1, n. 3, p. 159–183, 1965. DOI: 10.48165/. Disponível em: https://epubs.icar.org.in/index.php/IJEE/article/view/159613. Acesso em: 21 oct. 2025.