Responsiveness Index for the Development of the 21st Century Competencies. Asia Pacific Journal of Social and Behavioral Sciences, [S. l.], v. 14, p. 45–56, 2017. DOI: 10.57200/apjsbs.v14i0.90. Disponível em: https://apjsbs.buksu.edu.ph/index.php/APJSBS/article/view/126. Acesso em: 4 jun. 2026.