https://www.lexpera.com.tr/resmi-gazete/11-09-2006/26286 monthly 2026-07-22T06:30:33Z https://www.lexpera.com.tr/resmi-gazete/metin/suleyman-demirel-liderlik-arastirma-ve-uygulama-merkezi-yonetmeligi-26286 2006-09-11T00:00:00Z