تعداد ۲ پاسخ غیر تکراری از ۲ پاسخ تکراری در مدت زمان ۱,۱۷ ثانیه یافت شد.

1. Seventh internatioal conference on Water Pollution Research, Paris 1974

پدیدآورنده : International Association on Water Pollution Research; edited by S.H.Jankins

کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)

موضوع : Pollution - Congresses ، Water,Congresses ، Water quality management,Purification - Congresses ، Sewage

رده :

TD

420

.

I57

1974

2. Water pollution research :

پدیدآورنده : edited by S.H. Jenkins.

کتابخانه: Center and Library of Islamic Studies in European Languages (Qom)

موضوع : Sewage -- Purification -- Congresses.,Water -- Pollution -- Congresses.,Water quality management -- Congresses.

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