Sakti, Rizki Hardian, et al. “Technopreneurship and IT-Preneurship in Vocational Education Perspective: Perspective Theory”. Jurnal Pendidikan Teknologi Kejuruan, vol. 3, no. 4, Nov. 2020, pp. 194-8, https://doi.org/10.24036/jptk.v3i3.10423.