Gómez Barrios, Summar Alfredo. 2026. “Institutional Certification for Personal Trainers in Angola.An Alternative for Professionalization Favoring Public Health”. Revista Internacional De Pedagogía De La Actividad Física Y Deporte 1 (1): 34-61. https://revistas.ug.edu.ec/index.php/RIPAFD/article/view/3006.