APA (7 वां संस्करण) प्रशस्ति पत्र

Wee Yeak, O. (2022). Architect’s perception of factors contributing to construction project delay In planning & design phase: Case studies of private housing projects In Klang Valley, Malaysia / Ong Wee Yeak.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Wee Yeak, Ong. Architect’s Perception of Factors Contributing to Construction Project Delay In Planning & Design Phase: Case Studies of Private Housing Projects In Klang Valley, Malaysia / Ong Wee Yeak. 2022.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Wee Yeak, Ong. Architect’s Perception of Factors Contributing to Construction Project Delay In Planning & Design Phase: Case Studies of Private Housing Projects In Klang Valley, Malaysia / Ong Wee Yeak. 2022.

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