Rafii, Ahmad. “Design and Development of a Mobile Plastic Paving Block Unit for the Revitalization of the Parking Area at the Faculty of Engineering, Universitas Graha Nusantara Padangsidimpuan”. Jurnal Teknik Indonesia 5, no. 01 (June 30, 2026): 129–136. Accessed July 14, 2026. https://jurnal.seaninstitute.or.id/index.php/juti/article/view/1053.