Yan Puspitarani and Yenie Syukriyah 2020. Utilization of Optical Character Recognition and Text Feature Extraction to Build a Workforce Complaint Database. Jurnal RESTI (Rekayasa Sistem dan Teknologi Informasi). 4, 4 (Aug. 2020), 704 - 710. DOI:https://doi.org/10.29207/resti.v4i4.2107.