Herlandy, Pratama Benny, and Hadi Purwanto. 2022. “Ubiquitous Learning As Learning Method for Achieving Vocational Competencies in Higher Education During the Covid-19 Pandemic”. Jurnal Pendidikan Teknologi Dan Kejuruan 28 (1):93-108. https://doi.org/10.21831/jptk.v28i1.43156.