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• Rahrovi.Samira THE ROPER-SUFFRIDGE EXTENSION OPERATORS ON THE CLASS OF STRONG AND ALMOST SPIRALLIKE MAPPINGS OF TYPE $beta$ AND ORDER $alpha$ [ Vol.6, Issue 2 - Spring - Summer Year 1399]
• raisi.ebrahim Numerical Solution and Error Analysis for Linear and Nonlinear Delay Differential Equations [ Vol.6, Issue 3 - Summer Year 1399]
• Ramezani.Maryam Orthogonal sets: Coincidence and fixed point theorems in incomplete metric spaces [ Vol.6, Issue 5 - Autumn - Winter Year 1399]
• Razavyan.Shabnam پیش بینی هوشمند نقدینگی دستگاه‌های خودپرداز برمبنای تقاضای مشتریان [ Vol.6, Issue 1 - Spring Year 1399]
• Rezaei hezaveh.Elham Introducing a new inefficiency source due to inappropriate price selection in a Non-Competitive Environment in Data Envelopment Analysis (a case study in the Imam Khomeini Oil Refinery Company of Shazand in Iran) [ Vol.6, Issue 4 - Autumn Year 1399]
• Rezai.Maryam Application of reproducing kernel method for solving a class of two-dimensional linear integral equations with weakly singular kernel [ Vol.6, Issue 3 - Summer Year 1399]