Lee, L. L., & Abdullah, A. (2008). Solar Heater System Implementation As A Front Step In Overcoming The Global Warming Issues: Case Studies In Seberang Perai Selatan, Penang.
Chicago-viite (17. p.)Lee, Li Li, ja Aldrin Abdullah. Solar Heater System Implementation As A Front Step In Overcoming The Global Warming Issues: Case Studies In Seberang Perai Selatan, Penang. 2008.
MLA-viite (9. p.)Lee, Li Li, ja Aldrin Abdullah. Solar Heater System Implementation As A Front Step In Overcoming The Global Warming Issues: Case Studies In Seberang Perai Selatan, Penang. 2008.
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