Casel, J. Q., & Abaya, M. C. F. (1983). Role perception of the local union leader: A preliminary study. Institute of Industrial Relations, University of the Philippines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCasel, Julie Q., और Ma. Cristina F. Abaya. Role Perception of the Local Union Leader: A Preliminary Study. Quezon City: Institute of Industrial Relations, University of the Philippines, 1983.
एमएलए (9वां संस्करण) प्रशस्ति पत्रCasel, Julie Q., और Ma. Cristina F. Abaya. Role Perception of the Local Union Leader: A Preliminary Study. Institute of Industrial Relations, University of the Philippines, 1983.
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