Lee, Y. L., & Koh Heng Boon. (2011). Study of pile integrity and dynamic analyzer system for bearing capacity measurement. Universiti Tun Hussein Onn Malaysia.
Lua i Stíl Chicago (17ú heag.)Lee, Yee Loon, agus Koh Heng Boon. Study of Pile Integrity and Dynamic Analyzer System for Bearing Capacity Measurement. Batu Pahat: Universiti Tun Hussein Onn Malaysia, 2011.
Lua MLA (8ú heag.)Lee, Yee Loon, agus Koh Heng Boon. Study of Pile Integrity and Dynamic Analyzer System for Bearing Capacity Measurement. Universiti Tun Hussein Onn Malaysia, 2011.
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