Riza Nur Dwi Lutfiana, Dika Arya Yasa, and Eveline Siregar. “DEVELOPMENT OF ENRICHED VIRTUAL CLASSROOM WITH PEDATI IN CONSTRUCTION COST ESTIMATE COURSE”. Jurnal Pensil : Pendidikan Teknik Sipil 12, no. 2 (May 29, 2023): 178–186. Accessed June 7, 2026. https://journal.unj.ac.id/unj/index.php/jpensil/article/view/34941.