David , Takang Jaspa. “Principals’ Leadership Function: Most Important Function to Make School Run Effectively. A Qualitative Case Study Research of Government Bilingual High School Mokolo and Government Bilingual High School Mokala, Far North Region of Cameroon”. Excellencia: International Multi-Disciplinary Journal of Education (2994-9521), vol. 3, no. 9, Sept. 2025, pp. 13-19, https://doi.org/10.5281/.