Economics of mining and health hazards /
Patra, Sudhakar
Economics of mining and health hazards / Patra, Sudhakar - Delhi : Avon publications, 2018. - 186 p. ; 20 cm.
9789381839980
Economics of mining and health hazards
622 / PAT
Economics of mining and health hazards / Patra, Sudhakar - Delhi : Avon publications, 2018. - 186 p. ; 20 cm.
9789381839980
Economics of mining and health hazards
622 / PAT