Rizwana zulfiqar,Dr. Muhammad Aamir Hashmi. “A STUDY ON THE IMPACTS OF TEACHERS PROFESSIONAL DEVELOPMENT ON STUDENTS LEARNING AT SECONDARY LEVEL”. Harf-O-Sukhan, Vol. 8, no. 2, July 2024, pp. 1332-47, https://harf-o-sukhan.com/index.php/Harf-o-sukhan/article/view/1538.