[{"id":131516,"title":"Το κλειδί των μαθηματικών Α΄ δημοτικού","subtitle":null,"description":null,"image":null,"isbn":"978-960-299-639-3","isbn13":"978-960-299-639-3","ismn":null,"issn":null,"series":null,"pages":160,"publication_year":2008,"publication_place":"Αθήνα","price":"13.0","price_updated_at":"2009-04-06","cover_type":"Μαλακό εξώφυλλο","availability":"Κυκλοφορεί - Εκκρεμής εγγραφή","format":"Βιβλίο","original_language":null,"original_title":null,"publisher_id":318,"extra":null,"biblionet_id":134151,"url":"https://v2.bibliography.gr/books/to-kleidi-twn-mathhmatikwn-a-dhmotikou.json"}]