WATER CONSERVATION/ SEMINAR ON TECHNOLOGY TRANSFER AND CHANGE IN THE ARAB MIDDLE EAST BEIRUT 10-14 OCTOBOR 1977.
1977
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详细记录
符号E/ECWA/NR/SEM.1/33
标题WATER CONSERVATION/ SEMINAR ON TECHNOLOGY TRANSFER AND CHANGE IN THE ARAB MIDDLE EAST BEIRUT 10-14 OCTOBOR 1977.
获取English: E_ECWA_NR_SEM-1_33-EN - PDF ;
日期1977-09-01