Lukamba, Wilson Venâncio, et al. “DEVELOPMENT AND ANALYSIS OF THE NATIONAL HEALTH SYSTEM IN ANGOLA: FIFTY YEARS OF CHANGE, PROGRESS, AND OBSTACLES (1975-2025)”. Revista Ibero-Americana de Humanidades, Ciências E Educação, vol. 11, no. 9, Sept. 2025, pp. 3215-26, https://doi.org/10.51891/rease.v11i9.21168.