Old picture of Al-Farabi, great philosopher and musician.
Unknown author<span style="display: none;">Unknown author</span>
Journal "Farabi Aktüel" (Turkey, 2021) <a rel="nofollow" class="external free" href="https://www.ktu.edu.tr/dosyalar/farabiaktuel_09885.pdf">https://www.ktu.edu.tr/dosyalar/farabiaktuel_09885.pdf</a>