https://www.lexpera.com.tr/resmi-gazete/01-11-1978/16450 monthly 2026-10-09T14:54:39Z https://www.lexpera.com.tr/resmi-gazete/metin/basbakanlik-devlet-istatistik-enstitusu-yayin-dagitim-ve-abone-yonetmeligi-16450 1978-11-01T00:00:00Z