Lilian GK, Amollo OP. Influence of Pedagogical Content Knowledge on Teacher Trainee Professional Competency at University of Nairobi, Kenya. Am J Edu Learn [Internet]. 2019 Nov. 7 [cited 2024 May 5];5(1):1-12. Available from: https://onlinesciencepublishing.com/index.php/ajel/article/view/75