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• Vahidinia.Mohamad Biocorrelation, Biostratigraphy and determination basal of the Aptian stage at Tirgan Formation , west of Kopeh-Dagh sedimentary basin, NE Iran [ Vol.11, Issue 21 - Spring - Summer Year 1400]
• Vahidinia.Mohammad Biostratigraphy and Lithostratigraphy of Pabdeh Formation is based on planktonic foraminifera in the section of Jahangirabad (south Ilam_ Zagros basin) [ Vol.11, Issue 22 - Autumn - Winter Year 1400]
• Vaziri moghadam.Hosyen Biostratigraphy, biofacies and CAI of the late Devonian deposits in Kale-Sardar section, North-east Tabas, based on conodont fauna [ Vol.11, Issue 22 - Autumn - Winter Year 1400]