Wambui waweru, Ndinga B, Rita A. Influence of Principals’ Support for Teacher Professional Development (TPD) on the Development of Students’ Global Citizenship Skills in Catholic Private Secondary Schools in Nakuru County. AJSS [Internet]. 2022 Jul. 18 [cited 2025 Nov. 18];10(1). Available from: http://ajsse.org/index.php/1/article/view/235