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• omrani.ghasem ali Investigation and prioritization of environmental training methods for separation, collection and management of waste [ Vol.19, Issue 4 - Spring Year 1396]
• Osouleddini.Noushin Investigating the effects of height, effective size and uniformity coefficient of rapid sand filters on removal of turbidity and coliform bacteria in water treatment plants of Tehran [ Vol.19, Issue 4 - Spring Year 1396]
• Ouhadi.Vahid reza Morphological and Microstructural Study of Heavy Metal Contaminant Retention in Dispersive Soils [ Vol.19, Issue 4 - Spring Year 1396]