Estévez-Guilarte, Oryanis, and José Matos-Gamboa. “Historia De Vida Del Maestro Ramón Doren Duarte”. EduSol 16, no. 57 (February 27, 2025): 75–86. Accessed September 25, 2026. https://edusol.cug.co.cu:443/index.php/EduSol/article/view/908.