Zhang Y, Li S, Ji R. Characteristics and Differences of Economic Policies of Ground Stalls in Large, Medium-Sized and Small Cities in the Post-epidemic Period. FBEM [Internet]. 2022 Mar. 13 [cited 2026 Apr. 19];3(2):12-6. Available from: https://drpress.org/ojs/index.php/fbem/article/view/246