Teo, D. C. L. (2007). A study on structural lightweight concrete using Oil Palm Shell (OPS) aggregate.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रTeo, Delsye Ching Lee. A Study on Structural Lightweight Concrete Using Oil Palm Shell (OPS) Aggregate. 2007.
एमएलए (9वां संस्करण) प्रशस्ति पत्रTeo, Delsye Ching Lee. A Study on Structural Lightweight Concrete Using Oil Palm Shell (OPS) Aggregate. 2007.
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