Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
어로법은 어업의 지속 가능성을 보장하는 데 중요합니다.Eorobeop-eun eoeob-ui jichuk ganeungseong-eul bojanghaneun de jungyohamnida.Halieutics is important for ensuring the sustainability of fisheries.