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Item Restricted Shifting back to coal for fuel: an economic evaluation(1981-01) Bergardo, Ma. Teresa S.; Gimena, Rizales Q.; Herrin, AlexItem Restricted Cost-benefit analysis of the Batangas coal-fired thermal power project(1982-10-22) Dinglasan, Ma. Zita S.Item Restricted The economics of conversion from bunker oil to coal by cement plants and its effects on the national economy(1983-01) Mathay, Roberto K.Item Restricted The feasibility study on coversion of cement industry from oil to coal firing(1980-01) Manalastas, Jocelyn C.; Umpad, Elvira V.Item Restricted Item Restricted Consumption of coal in the Philippines(1982-03) Tengco, Eden; Yap, Rosemarie