1. The American West at risk :
پدیدآورنده : Howard G. Wilshire, Jane E. Nielson, Richard W. Hazlett.
کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)
موضوع : Conservation of natural resources-- West (U.S.),Land use-- Environmental aspects-- West (U.S.),Nature conservation-- West (U.S.),Nature-- Effect of human beings on-- West (U.S.),BUSINESS & ECONOMICS-- Development-- Sustainable Development.,Conservation of natural resources.,Ecology.,Land use-- Environmental aspects.,Nature conservation.,Nature-- Effect of human beings on.,NATURE-- Environmental Conservation & Protection.,West (U.S.), Environmental conditions.,West United States., 0, 7
رده :
QH76
.
5
.
W34
W57
2008eb
