Yuwono, Tri Indah. “Self-Efficacy of Micro Businesses in Facing the COVID-19 Pandemic in Blitar District”. Airlangga Development Journal 5, no. 1 (June 21, 2021): 40–45. Accessed December 23, 2024. https://e-journal.unair.ac.id/ADJ/article/view/27644.