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            1Economic analysis of oil and gas engineering operationsĐược phát hành 2021Available for University of the Philippines Diliman via Taylor & Francis. Click here to access
 Also available remotely for University of the Philippines Diliman via Taylor & Francis. Click here to access thru EZproxy
 Electronic Resource
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            2Petroleum engineer's guide to oil field chemicals and fluidsĐược phát hành 2021Available for University of the Philippines System via ScienceDirect. Click here to access
 Also available remotely for University of the Philippines System via ScienceDirect. Click here to access thru EZproxy
 Electronic Resource
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            4Oil behind China's presence in South China Sea - DuterteXuất bản năm Manila Bulletin (2018)Bài viết
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            7Environmental aspects of oil and gas productionĐược phát hành 2017Available for University of the Philippines Diliman via Wiley Online Library. Click here to access
 Also available remotely for University of the Philippines Diliman via Wiley Online Library. Click here to access thru EZproxy
 Electronic Resource
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            8
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            9Production chemicals for the oil and gas industryĐược phát hành 2014Available for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access
 Also available remotely for University of the Philippines Diliman College of Engineering via CRCnetBASE. Click here to access thru EZproxy
 Electronic Resource
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