REGMI, Pramod R.; WAITHAKA, Elizabeth; PAUDYAL, Anjana; SIMKHADA, Padam; VAN TEIJLINGEN, Edwin. Guide to the design and application of online questionnaire surveys. Nepal Journal of Epidemiology, [S. l.], v. 6, n. 4, p. 640–644, 2017. DOI: 10.3126/nje.v6i4.17258. Disponível em: https://nepjol.info/index.php/NJE/article/view/17258. Acesso em: 18 jan. 2025.