Intergovernmental conference on environment education tibilis, SSR, 1977

RecordNumber
20243
Title
Intergovernmental conference on environment education tibilis, SSR, 1977
Author Statement
Environmental education in the light of the Tbilis conference
Publication
Unesco
Publication Year
[c1977]
Collation
100p
Subject
Sanitary Engineering-Congresses
Main Class
614
Sub Class
.7
Cutter no
I61
Date
1977
وارد كنندة اطلاعات
soltani^d//
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