2026-02-14T05:10:09+03:00 DEBUG: VuFindSearch\Backend\Solr\Connector: Query fl=%2A%2Cscore&wt=json&json.nl=arrarr&q=id%3A%22in00000346939%22
2026-02-14T05:10:09+03:00 DEBUG: VuFindSearch\Backend\Solr\Connector: => GET http://localhost:8983/solr/biblio/select?fl=%2A%2Cscore&wt=json&json.nl=arrarr&q=id%3A%22in00000346939%22
2026-02-14T05:10:09+03:00 DEBUG: VuFindSearch\Backend\Solr\Connector: <= 200 OK
2026-02-14T05:10:09+03:00 DEBUG: Deserialized SOLR response
Marx, K. (1970). Karl Marx and Frederick Engels. Progress Publishers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Marx, Karl. Karl Marx and Frederick Engels. Moscow: Progress Publishers, 1970.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Marx, Karl. Karl Marx and Frederick Engels. Progress Publishers, 1970.