Sinaga, O. S. ., Candra, V. ., Inrawan, A. ., Simatupang, S. ., & Sudirman, A. . (2022). ANALYSIS OF FACTORS AFFECTING SUSTAINABLE COMPETITIVE ADVANTAGE OF SMEs DURING THE COVID-19 PANDEMIC IN PEMATANGSIANTAR CITY. JURNAL MANAJEMEN DAN BISNIS, 11(2), 331–343. Diambil dari https://journal.itbind.ac.id/index.php/jmbi/article/view/52