[{"id":7548,"title":"Μεθοδολογία εκπαιδευτικής έρευνας","subtitle":null,"description":null,"image":"http://www.biblionet.gr/images/covers/b7899.jpg","isbn":"960-7468-06-6","isbn13":"978-960-7468-06-2","ismn":null,"issn":null,"series":{"id":1016,"name":"Εκπαιδευτική Βιβλιοθήκη","books_count":18,"tsearch_vector":"'bibliothhkh' 'bivliothhkh' 'ekpaideftikh' 'ekpaideutikh' 'ekpedeutikh' 'vibliothhkh'","created_at":"2017-04-13T00:58:03.714+03:00","updated_at":"2017-04-13T00:58:03.714+03:00"},"pages":543,"publication_year":1997,"publication_place":"Αθήνα","price":"20.0","price_updated_at":null,"cover_type":"Μαλακό εξώφυλλο","availability":"Εξαντλημένο","format":"Βιβλίο","original_language":"αγγλικά","original_title":"Research methods of education","publisher_id":334,"extra":null,"biblionet_id":7899,"url":"https://bibliography.gr/books/methodologia-ekpaideutikhs-ereunas.json"}]