Coal, hard truths. IN United States. di Scherer, Michael

Social costs of coal mining a case study di Tayag, Jean C.

Natural gas and the environment so much nicer than coal.

A program of Research, Development and Demonstration for Enhancing Coal Utilization to meet National Energy needs.

Coal age.

Environment groups renew opposition to coal projects after Semirara incident di Rivera, Danessa O.

Testo

Uling Coal Project in Central Cebu a feasibility study di Consunji, Josefina C.

Work accidents and employees compensation case studies of Acoje Mining Company, Inc., Continental Cement Corporation and Concrete Agregates Corporation di Gamo, Emerenciana Cena Atienza