https://www.lexpera.com.tr/resmi-gazete/03-06-1991/20890 monthly 2026-07-21T23:21:40Z https://www.lexpera.com.tr/resmi-gazete/metin/milli-egitim-bakanligi-disiplin-amirleri-yonetmeligi-20890-1 1991-06-03T00:00:00Z