Kashilska, Yana, and Atanas Petkov. “ECONOMIC EFFECTS AND EXPECTED RESULTS FROM THE INTRODUCTION OF OUTPATIENT POST - COVID 19 REHABILITATION”. KNOWLEDGE - International Journal 49, no. 4 (December 15, 2021): 617–623. Accessed April 28, 2024. https://ikm.mk/ojs/index.php/kij/article/view/4536.