Kamran, M., abida nasreen, and A. Iftikhar. “Awareness of Rules Given in Punjab Education Code at Secondary School Level: A Case Study of Head Teachers in the District Sheikhupura”. Journal of Peace, Development and Communication, vol. 4, no. 03, Jan. 2021, pp. 512–531, http://pdfpk.net/ojs/index.php/jpdc/article/view/143.