https://www.lexpera.com.tr/resmi-gazete/10-01-1988/19690 monthly 2026-07-17T13:32:45Z https://www.lexpera.com.tr/resmi-gazete/metin/506-sayili-sosyal-sigortalar-kanununun-2167-sayili-kanunla-degistirilen-102-maddesinde-belirtilen 1988-01-10T00:00:00Z