首爾大學韓國語：1A（雙光碟版：1互動光碟＋1MP3） (二手書交易資訊)

[{"sale_price":210,"disc":"47","prod_count":1,"sale_month":"202204","avg_price":210,"avg_disc":47},{"sale_price":879,"disc":196,"prod_count":4,"sale_month":"202205","avg_price":219,"avg_disc":49},{"sale_price":820,"disc":182,"prod_count":3,"sale_month":"202206","avg_price":273,"avg_disc":61},{"sale_price":650,"disc":144,"prod_count":2,"sale_month":"202207","avg_price":325,"avg_disc":72},{"sale_price":875,"disc":194,"prod_count":3,"sale_month":"202208","avg_price":291,"avg_disc":65},{"sale_price":825,"disc":183,"prod_count":3,"sale_month":"202209","avg_price":275,"avg_disc":61}]