B. PHONGPISANU. Main Steps of Doing Research and Development in Public Health: An Observational Study. New Frontiers in Medicine and Medical Research Vol. 14, [S. l.], p. 80–86, 2021. DOI: 10.9734/bpi/nfmmr/v14/4289F. Disponível em: https://stm.bookpi.org/NFMMR-V14/article/view/3390. Acesso em: 15 jun. 2026.