Simatupang, Sudung, Edy Dharma, Marthin Hutler Ambarita, Novita Butarbutar, and Acai Sudirman. “Determinants of Innovative Work Behaviorof MSME Employees During the Covid-19 Pandemic in Pematangsiantar City”. Valid: Jurnal Ilmiah 20, no. 1 (December 30, 2022): 54–63. Accessed June 17, 2026. https://journal.stieamm.ac.id/valid/article/view/245.