Owen, Oliver S. .
Natural resource conservation : an ecological approach / Olivers S.Owen. - 4th ed / . - New York : Macmillan , 1985. - xii,657p. : ills.,fig.,photo ; 25cm .
NULL
0023901004 Rs. 409.20
CONSERVATION OF NATURAL RESOURCES
333.72 / OWE/N
Natural resource conservation : an ecological approach / Olivers S.Owen. - 4th ed / . - New York : Macmillan , 1985. - xii,657p. : ills.,fig.,photo ; 25cm .
NULL
0023901004 Rs. 409.20
CONSERVATION OF NATURAL RESOURCES
333.72 / OWE/N