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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Lee, Li Li, και Aldrin Abdullah. Solar Heater System Implementation As A Front Step In Overcoming The Global Warming Issues: Case Studies In Seberang Perai Selatan, Penang. 2008.
Παραπομπή σε μορφή MLA (9th εκδ.)Lee, Li Li, και 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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