Dhea Ranti Puspita, Ahmad Fadlan, Uswatun Hasanah. ANALYSIS OF MICRO, SMALL AND MEDIUM ENTERPRISES (UMKM) DEVELOPMENT ON COMPETITIVENESS DURING THE PANDEMIC PERIOD COVID-19 IN SUNGGAL DISTRICT DELI SERDANG REGENCY. ICEB [Internet]. 2022 Apr. 22 [cited 2024 Jul. 7];1(1):159-75. Available from: https://ijconf.org/index.php/iceb/article/view/249