Ramírez-Román , Ricardo, Yurima Otero-Góngora, and Niurka Velázquez-Fombellida. 2022. “The Relations of Coexistence, Integration and Coordination in the Mixed Center”. EduSol 22 (80): 1-11. https://edusol.cug.co.cu:443/index.php/EduSol/article/view/345.