KAMALA, C. S. The Fundamentals of Social Survey and Research Methods. The Indian Journal of Nutrition and Dietetics, [S. l.], v. 8, n. 4, p. 226–226, 1971. Disponível em: https://informaticsjournals.co.in/index.php/ijnd/article/view/11356. Acesso em: 8 nov. 2024.