Natural Resourses: Ecology,Economics and Policy /
Holechek, Jeerry L...[et al] .
Natural Resourses: Ecology,Economics and Policy / - NewJersey : Prentice Hall , 2000 - xx,730p :
0138960771
Natural resources
Natural Resourses: Ecology,Economics and Policy / - NewJersey : Prentice Hall , 2000 - xx,730p :
0138960771
Natural resources