Cardenas, C. J. and Valdez, E. B. (2026) “Competence and professional development needs of teachers in mathematics instruction: Cordillera Administrative Region, Philippine context”, Divine Word International Journal of Management and Humanities (DWIJMH) (ISSN: 2980-4817), 5(2), pp. 3790–3809. doi: 10.62025/dwijmh.v5i2.314.