1. The management of water quality and the environment; proceedings of a conference held by the International Economic Association of Lyngby, Denmark

پدیدآورنده :

کتابخانه: Central Library of Sharif University of Technology (Tehran)

موضوع : ، Water-- Pollution-- Economic aspects-- Congresses,، Pollution-- Economic aspects-- Congresses

رده :
HC
79
.
P55
.
C65
1972