FREIRE, Wilma B.; BELMONT, Philippe; JIMÉNEZ, Elisa. Surveyor’s manual on the online application of the “NOVA 27 UPF Categories Tracker” and the “24-hour reminder” survey, multi-step method. Bitácora Académica, [S. l.], v. 14, p. 19–32, 2023. DOI: 10.18272/ba.v14i.3097. Disponível em: https://revistas.usfq.edu.ec/index.php/bitacora/article/view/3097. Acesso em: 21 may. 2024.