Artaliawan, G. N. Y., L. P. Artini, and N. N. Padmadewi. “Self-Directed Learning in EFL During Covid-19 Pandemic: Teacher’s Perception and Students’ Learning Autonomy”. Jurnal Penelitian Dan Pengembangan Pendidikan, vol. 5, no. 1, Feb. 2021, pp. 145-53, doi:10.23887/jppp.v4i1.31959.