Darmanto, Darmanto, Pusparini Akhmad, Budi Pratomo Sibuea, and Meisya Nurdianita. “Web-Based Information System for the Professional Certification Institute P-1 at Politeknik Negeri Ketapang”. Applied Information Technology and Computer Science (AICOMS) 1, no. 1 (December 1, 2022): 25-33. Accessed April 19, 2025. https://jurnal.politap.ac.id/aicoms/article/view/1233.