HEWA, Soma. Sri Lanka’s Health Unit Program: A Model of “Selective” Primary Health Care. Hygiea Internationalis: An interdisciplinary journal for the History of Public Health, [S. l.], v. 10, n. 2, p. 7–33, 2011. DOI: 10.3384/hygiea.1403-8668.111027. Disponível em: https://journal.ep.liu.se/hygiea/article/view/6121. Acesso em: 19 jul. 2025.