https://www.lexpera.com.tr/resmi-gazete/29-12-1991/21096 monthly 2026-10-09T14:54:39Z https://www.lexpera.com.tr/resmi-gazete/metin/yuzuncu-yil-universitesi-van-golu-cevresi-tarihi-eserleri-ve-kultur-degerlerini-arastirma-ve-1 1991-12-29T00:00:00Z