https://www.lexpera.com.tr/resmi-gazete/04-08-1984/18479 monthly 2026-07-21T06:04:16Z https://www.lexpera.com.tr/resmi-gazete/metin/doner-sermayeli-kuruluslar-ihale-yonetmeligi-18479-84-8213 1984-08-04T00:00:00Z