na INLIS000000000054511 20220605012103 0010-0622000105 ta 220605 g 0 eng 6.004.14(1-77) 6.004.14(1-77) UNI p Proceedings of the United nations Conference on the Application of Science and Technology for the Benefit of the Less Developed Areas : Session A.4.2.1 - A.4.3.1 : Recent advances in coal mining technology ... The construction and operation of small plants using local energy resources in isolated areas / Presented by R.W. Willett, J.M. Rayner ... E.W. Golding Cet. 1 Washinton, D.C. : United Nations, 1962 irr. p. : ill. ; 28 cm. COAL MINING BIOENERGY WILLETT, R.W. RAYTNER, J.M. GOLDING, E.W. Berisi kumpulan makalah yang disampaikan para kontributor delegasi negara-negara anggota Perserikatan Bangsa-bangsa (UN) UNITED NATIONS CONFERENCE ON THE APPLICATION OF SCIENCE AND TECHNOLOGY FOR THE BENEFIT OF THE LESS DEVELOPED AREAS (1962 : Washinton, D.C. ) 1376/65