Muhammad Yusuf, Jumiadi AW, Sulaiman Lubis, and Azizul Kholis. 2022. “Policy Analysis and Models of Strengthening the Regional Economy Post Covid 19 in North Sumatra Province”. International Journal of Economic, Technology and Social Sciences (Injects) 3 (2):236-43. https://doi.org/10.53695/injects.v3i2.778.