TY  - SER
AU  - Suri, Saadat Uliah Khan
AU  - Khan, Rafi Uliah
TI  - Removal of Impurities from Indigenous (Chamlang) Coal by Using Froth Flotation Technology
KW  - Sulphide Removal
KW  - Froth Flotation
KW  - Separation Time
ER  -