APA (7 वां संस्करण) प्रशस्ति पत्र

Abis, L. V. Utilization of solar energy for desalination of seawater for domestic and industrial application. Philippine Engineering Journal.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Abis, Leopoldo V. "Utilization of Solar Energy for Desalination of Seawater for Domestic and Industrial Application." Philippine Engineering Journal .

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Abis, Leopoldo V. "Utilization of Solar Energy for Desalination of Seawater for Domestic and Industrial Application." Philippine Engineering Journal, .

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