Uthman, Khalil Yusuf, and Abdul Latif Kassim. “The Impact of Leadership Styles of Principals and Teachers of Secondary Schools in Kaduna State Nigeria: Using School Environment As a Tool for School Achievement”. International Journal of Advances in Management and Economics (January 25, 2018). Accessed November 26, 2024. https://managementjournal.info/index.php/IJAME/article/view/105.