Abis, L. V. (1976). Program for solar energy utilization in the Philippines. University of the Philippines Press.
Lua i Stíl Chicago (17ú heag.)Abis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. Quezon City: University of the Philippines Press, 1976.
Lua MLA (9ú heag.)Abis, Leopoldo V. Program for Solar Energy Utilization in the Philippines. University of the Philippines Press, 1976.
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