https://www.muhasebenews.com/gosteri-kongre-ve-konferans-hizmetleri-veren-firmalar-hizmet-faturalarinda-kdv-tevkifati-yapmali-midir/ Muhasebe News Thu, 25 Mar 2021 10:17:12 +0000 hourly 1 https://wordpress.org/?v=6.3.3