The institutionalisation of social media in politics: dynamics, applications, critiques, and challenges. - Dedy Permadi; Fidya Shabrina; Umar Abdul Aziz (Electron. Gov. an Int. J., 2019)

Optimizing Planning Service Territories by Dividing Into Compact Several Sub-areas Using Binary K-means Clustering According Vehicle Constraints. - Muhammad Wildan Abdul Hakim; Syarifah Rosita Dewi; Yurio Windiatmoko; Umar Abdul Aziz (CoRR, 2020)