https://www.lexpera.com.tr/resmi-gazete/19-04-1981/17315 monthly 2026-10-09T14:54:39Z https://www.lexpera.com.tr/resmi-gazete/metin/6802-sayili-gider-vergileri-kanununda-degisiklik-yapilmasina-dair-kanun-17315-2447-1 1981-04-19T00:00:00Z https://www.lexpera.com.tr/resmi-gazete/metin/4-7-1956-tarihli-6772-sayili-kanuna-bir-ek-madde-eklenmesi-ve-iscilere-toplu-is-sozlesmeleri-ile 1981-04-19T00:00:00Z https://www.lexpera.com.tr/resmi-gazete/metin/18-kasim-1960-tarihli-ve-132-sayili-turk-standartlari-enstitusu-kurulus-kanununun-bazi-maddelerinin-2 1981-04-19T00:00:00Z