HERNÁNDEZ-HEREDIA, Raúl; WILSON-RUÍZ, Rogelio. An alternative for the design of the experiment with intact groups. EduSol, [S. l.], v. 14, n. 49, 2025. Disponível em: https://edusol.cug.co.cu:443/index.php/EduSol/article/view/944. Acesso em: 12 nov. 2026.