Luthfi Arfianti. “DEVELOPMENT OF ENGINEERING DRAWING LEARNING MODULE FOR VOCATIONAL STUDENT AT PROPERTY CONSTRUCTION BUSINESS EXPERTISE PROGRAM ”. Jurnal Pensil : Pendidikan Teknik Sipil 11, no. 1 (January 30, 2022): 65 - 77. Accessed July 5, 2024. https://journal.unj.ac.id/unj/index.php/jpensil/article/view/18950.