ELVARITA, ANNA, et al. “THE DEVELOPMENT OF TEACHING MATERIALS FOR ELECTRONIC MODULE OF SOIL MECHANICS IN BACHELOR DEGREE OF BUILDING ENGINEERING EDUCATION PROGRAM, STATE UNIVERSITY OF JAKARTA”. Jurnal Pensil : Pendidikan Teknik Sipil, vol. 9, no. 1, Jan. 2020, pp. 1-7, doi:10.21009/jpensil.v9i1.11987.