/category > /category/5 > /book/4473","mainEntity":{"@type":"Book","author":"/author/السيّد محسن الخرّازي","bookFormat":"http://schema.org/EBook","image":"https://lib.rafed.net/Books/4473_umdat-alusul-02/images/cover.jpg","inLanguage":"Arabic","name":"عمدة الأصول[ج2]","numberOfPages":637,"offers":{"@type":"Offer","availability":"http://schema.org/InStock","price":"0","priceCurrency":"USD"},"publisher":"مؤسسه در راه حق"},"author":{"@type":"Person","name":"السيّد محسن الخرّازي"}}