Malik, Kamran Ahmed, and Barira Bakhtawar. “IMPACT OFAPPRAISAL SYSTEM ON EMPLOYEE PERFORMANCE: A COMPARISON OF PERMANENTAND CONTRACTUAL EMPLOYEES OF PAKISTAN TELECOMMUNICATIONS COMPANY LIMITED (PTCL)”. European Scientific Journal, ESJ 10, no. 10 (July 5, 2014). Accessed May 1, 2024. https://eujournal.org/index.php/esj/article/view/3630.