Oktaviani, O., and J. Busri. “ANALISIS KESIAPAN SISWA MELAKSANAKAN PEMBELAJARAN ONLINE BERBASIS MOBILE LEARNING DI SMK NEGERI 1 BUKITTINGGI”. Jurnal Applied Science in Civil Engineering, Vol. 2, no. 3, Oct. 2021, pp. 363-7, doi:10.24036/asce.v2i3.248566.