The legal engineering environmental and social perspectives of surface mining law and reclamation by landfilling: getting maximum yield from surface mines
LKR 26,980.00
Gunasena Thaksalawa Basnahira Palath Dewana Basa Demala 9 Shreniya Palamu Deweni saha Thewana Wara Parikshana Prashna pathra saha Pilithuru