Radev Кostov Iliyan. “DISINFECTION OF VEHICLES AT THE BULGARIAN BORDER CHECKPOINTS FOR THE YEARS 2021-2022 - POSITIVES AND IMPERFECTIONS. LITERATURE REVIEW AND CRITICAL ANALYSIS”. KNOWLEDGE - International Journal 78, no. 4 (October 7, 2026): 519–524. Accessed October 14, 2026. https://ojs.ikm.mk/index.php/kij/article/view/8626.