Varian Fauzan, Robinson Situmorang, and Etin Solihatin. 2022. “Evaluation of Traffic Violation Enforcement Specialist Development and Education and Training Programs”. Improvement: Jurnal Ilmiah Untuk Peningkatan Mutu Manajemen Pendidikan 9 (02):51-80. https://doi.org/10.21009/improvement.v9i2.28121.