Putro, Setiadi Cahyono, et al. “Contribution of TPACK for a Pedagogical Capability in the Vocational Pre-Service Teachers for Electrical Engineering Education”. Jurnal Pendidikan Teknologi Dan Kejuruan, vol. 26, no. 2, Sept. 2020, pp. 173-82, doi:10.21831/jptk.v26i2.29926.