00309nam a2200121 a 450000500170000008200180001710000250003524500340006026000320009430000260012663000140015263000210016620251202164126.0 a338.1349bSAH aSahu, Nirmal Chandra aEconomics of forest resources aDelhibB.R Publishingc1986 axvi,360 p.c20 cmbHB aEconomics aforest resources