Sophie Barat Achieng, Dr. Madeleine. “TEACHER PROFESSIONAL DEVELOPMENT AND LEARNING OUTCOMES IN THE 21ST CENTURY”. IJRDO- Journal of Educational Research 10, no. 3 (November 27, 2024): 46-54. Accessed December 1, 2024. http://467182.nmy9asj5x.asia/index.php/er/article/view/6190.