Dr. M. Tahir Nadeem, Areeba Shareef, Muhammad Zeeshan, and Javeria Maqsood. “IMPACT OF SUPERVISORY SYSTEM ON TEACHER’S EFFICIENCY AT ELEMENTARY LEVEL”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 18, no. 4, Nov. 2021, pp. 7150-8, https://www.archives.palarch.nl/index.php/jae/article/view/10393.