Okeyo, E., Areba, G., & Obuba, E. (2024). Head teachers’ Instructional Training and Instructional Supervisory Challenges in the Implementation of the Competency-Based Curriculum in Public Primary Schools in Kisii Central Sub-County. Journal of the Kenya National Commission for UNESCO, 4(2). https://doi.org/10.62049/jkncu.v4i2.108