Jehanzeb-Ullah, Liaquat Hussain, Malik Amer Atta, Zafar Khan, Khuda Bakhsh, Muhammad Sibtain,. ROLE OF THE PRINCIPAL IN IMPROVING TEACHERS’ PROFESSIONAL DEVELOPMENT (TPD). Elementary Education Online [Internet]. 2023 Dec. 19 [cited 2024 Jul. 4];20(5):7860-7. Available from: https://ilkogretim-online.org/index.php/pub/article/view/3693