Tshultrim Dorji, Diwash Sundas. The Effectiveness of Professional Development Programmes in Improving Teaching Practices and Student Learning Outcomes at Samtse Higher Secondary School. EIP [Internet]. 2026 Feb. 25 [cited 2026 Mar. 17];12(1):1-19. Available from: https://eip.sce.edu.bt/index.php/eip/article/view/230