APA (7 वां संस्करण) प्रशस्ति पत्र

Chng, H. F., & Tiong Lee Kong, R. (2009). Conceptual development of revenue and yield management system for shipping business.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chng, Hui Fen., और Robert Tiong Lee Kong. Conceptual Development of Revenue and Yield Management System for Shipping Business. 2009.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chng, Hui Fen., और Robert Tiong Lee Kong. Conceptual Development of Revenue and Yield Management System for Shipping Business. 2009.

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