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• Rahbarnia.Freydoon The Chromatic Number of the Square of the Cartesian Product of Cycles and Paths [ Vol.12, Issue 3 - Summer Year 2022]
• Rasaq.Ganiyu COVID-19 Dynamics in Africa Under the Influence of Asymptomatic Cases and Re-infection [ Vol.12, Issue 1 - Winter Year 2022]
• Ratnaningsih.Dewi Clustering with K-Means Hybridization Ant Colony Optimization (K-ACO) [ Vol.12, Issue 2 - Spring Year 2022]