Rafii, Ahmad. 2026. “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 (01):129-36. https://jurnal.seaninstitute.or.id/index.php/juti/article/view/1053.