Fadhil, Tuti, and Arris. “Identification of Cognitive Abilities in AutoCad Studying Result of 11th Grade at 56 State Vocational High School Jakarta”. Jurnal Pensil : Pendidikan Teknik Sipil 8, no. 2 (September 15, 2019): 73–80. Accessed November 22, 2024. https://journal.unj.ac.id/unj/index.php/jpensil/article/view/8455.