00670nam a2200253Ia 4500 20230410094236.0 131103s9999 xx 000 0 und d Rs. 15 Loreto College English 338.7622 SIN Sinha,R.K. Mineral Economics R.K.Sinha and N.L.Sharma 2nd ed. Delhi Oxford & IBH Publishing 1976 vi,368 p. ill.,fig. Includes bibliography and index Extraction Of Minerals Mineral Production Prodction Sharma,N.L.,auth. LCLIB BK 4119 54598 0 0 ddc 0 0 MAIN MAIN 2013-11-04 0 338.7622 SIN 25571 B3987 2013-11-04 2013-11-04 BK