Biryanto B, S. Hubeis AV, Matindas K, Sarma M. Communication Competence on Apparatus State Civil in the Province Government of Riau. IJSBAR [Internet]. 2018 Aug. 5 [cited 2025 Dec. 24];40(2):55-69. Available from: https://gssrr.org/JournalOfBasicAndApplied/article/view/9148