Siti Hassanah, H. (2011). Work Stress and Job Performance of Employees in System Operation Department at Tenaga Nasional Berhad.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSiti Hassanah, Hassan. Work Stress and Job Performance of Employees in System Operation Department at Tenaga Nasional Berhad. 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSiti Hassanah, Hassan. Work Stress and Job Performance of Employees in System Operation Department at Tenaga Nasional Berhad. 2011.
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