[{"id":51939,"title":"Η θεωρία του πιάνου-αρμόνιου και η πρακτική τους","subtitle":"Κατάλληλο βοήθημα για όλους","description":null,"image":null,"isbn":null,"isbn13":null,"ismn":null,"issn":null,"series":null,"pages":112,"publication_year":1986,"publication_place":"Αθήνα","price":"7.0","price_updated_at":null,"cover_type":"Μαλακό εξώφυλλο","availability":"Κυκλοφορεί","format":"Βιβλίο","original_language":null,"original_title":null,"publisher_id":746,"extra":null,"biblionet_id":53423,"url":"https://v2.bibliography.gr/books/h-thewria-tou-pianouarmoniou-kai-praktikh-tous.json"}]