TY  - BOOK
AU  - Sarfar Ali, 
TI  - Mathematical models for the efficiency of floatation process for North Waziristan copper 
SN  - (hbk)
U1  - 510.4 
PY  - 2007///
CY  - Lahore
PB  - Division of Education, University of Education, 
KW  - Mathematics--Mathmatical Models--Flotation Process--Copper
ER  -