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• Radenovic.Stojan Common fixed point of four maps in $S_b$-Metric spaces [ Vol.5, Issue 2 - Spring Year 2016]
• Rahimi.Mehdi Dynamical distance as a semi-metric on nuclear configuration space [ Vol.5, Issue 4 - Autumn Year 2016]
• Ramezani.Fatemeh On the commuting graph of some non-commutative rings with unity [ Vol.5, Issue 4 - Autumn Year 2016]
• Rashwan.R.A. Random fixed point theorems with an application to a random nonlinear integral equation [ Vol.5, Issue 2 - Spring Year 2016]
• Rizam Abu Baker.Mohd The directional hybrid measure of efficiency in data envelopment analysis [ Vol.5, Issue 3 - Summer Year 2016]