TY  - GEN
AU  - Sinha, R.K.
AU  - Sharma, N.L.
TI  - Mineral Economics 
SN  - 9788120403314 (pb)
U1  - 553 SIN-SHA 
PY  - 2019///
CY  - New Delhi
PB  - CBS Publishers & publishers distributions pvt ltd, 
KW  - Mineral economics
ER  -