1. Economics of outdoor recreation
پدیدآورنده : by Marion Clawson and Jack L. Knetsch. Baltimore, Published for Resources for the Future by John Hopkins Press
کتابخانه: Library of the Faculty of Economics University of Tehran (Tehran)
موضوع : Outdoor recreation-Economic aspects
رده :
GV
182
.
2
.
C55
2. Economics of outdoor recteation
پدیدآورنده : / by Marion Clawson and Jack L. Knetsch
کتابخانه: Central Library and Archive Center of shahid Beheshti University (Tehran)
موضوع : Outdoor recteation - Economic aspects
رده :
333
.
780
973
C617
