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• Rafiei.Farnaz Growth of Sargassum boveanum (Fucales, Phaeophyta) under variations of temperature, photoperiod and irradiance in laboratory conditions [ Vol.7, Issue 3 - Autumn Year 1391]
• Rahman.Patimar Distribution, frequency and biomass of macrobenthos of Gorgan Bay and south east of Caspian Sea, Golestan Province [ Vol.7, Issue 4 - Winter Year 1391]
• Rajabiestrabadi.H. Effects of different dietary selenium sources (selenomethionine and selenite) on growth performance, haematocirt and some blood parameters on rainbow trout (Oncorhynchus mykiss) [ Vol.7, Issue 2 - Summer Year 1391]
• REZAYY.MARYAM Study on some heavy metals contamination and risk assessment in muscle tissue of Rutilus frisii kutum and Liza saliens of Caspian Sea [ Vol.7, Issue 4 - Winter Year 1391]