2025-09-04T02:25:08Z https://dergipark.org.tr/api/public/oai/ttkbelleten/ BELLETEN https://dergipark.org.tr/api/public/oai/ 2.0 oai@dergipark.org.tr 2025-09-04T02:25:00Z no YYYY-MM-DDThh:mm:ssZ gzip deflate oai dergipark.org.tr : oai:dergipark.org.tr:record/1