# Ostorat al-itar: fi difa' 'an al-eelm wal-aaqlyyah

> A book authored by Karl R. Popper – the edition was published as part of the 'World of Knowledge' series.

**Wikidata**: [Q134435661](https://www.wikidata.org/wiki/Q134435661)  
**Source**: https://4ort.xyz/entity/ostorat-al-itar-fi-difa-an-al-eelm-wal-aaqlyyah