https://www.lexpera.com.tr/resmi-gazete/24-01-1988/19704 monthly 2026-10-21T10:31:59Z https://www.lexpera.com.tr/resmi-gazete/metin/ataturk-universitesi-cevre-sorunlari-arastirma-merkezi-yonetmeligi-19704-1 1988-01-24T00:00:00Z