00509nam a2200169Ia 4500 190327s9999||||xx |||||||||||||| ||und|| NITIL NITIL 21st 338.20954 D531M Sinha, R K Mineral economics R K Sinha 2nd Rev. New Delhi Oxford and IBH 1976 vi, 368pp. Mineral industries-India; Marketing-India; Mines and mineral resources-India; Civilization-India Sharma, N L BKS 54745 54745 0 0 DDC 0 0 NITIL NITIL 2019-04-04 0 338.20954 D531M 98994 2019-04-04 00:00:00 2019-04-04 BKS