Andres, D. (1951). Five-year achievements of the Bureau of Mines as reflected in the rehabilitation of the mining industry. Bureau of Mines.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAndres, Demetrio. Five-year Achievements of the Bureau of Mines as Reflected in the Rehabilitation of the Mining Industry. Manila: Bureau of Mines, 1951.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAndres, Demetrio. Five-year Achievements of the Bureau of Mines as Reflected in the Rehabilitation of the Mining Industry. Bureau of Mines, 1951.
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