Oktariansyah, F., Iriani, T. and Maulana, A. 2019. Identification of Cognitive Abilities in AutoCad Studying Result of 11th Grade at 56 State Vocational High School Jakarta. Jurnal Pensil : Pendidikan Teknik Sipil. 8, 2 (Sep. 2019), 73 - 80. DOI:https://doi.org/10.21009/jpensil.v8i2.8455.