https://www.lexpera.com.tr/resmi-gazete/04-07-1988/19862 monthly 2026-07-16T13:52:14Z https://www.lexpera.com.tr/resmi-gazete/metin/lisansustu-egitim-ogretim-enstitulerinin-teskilat-ve-isleyis-yonetmeliginin-bazi-maddelerinin-4 1988-07-04T00:00:00Z