1. World population and resources
پدیدآورنده : a report by PEP
کتابخانه: Library of Faculty Literature of University of Tehran (Tehran)
موضوع : Population.,Natural resources-- Africa
2. World population and resources
پدیدآورنده : by PEP
کتابخانه: Library of Faculty of Social Sciences of Tehran University (Tehran)
موضوع : Population,Natural resources
رده :
HB
871
.
P627
1959
