“XIX-XX АСР БОШЛАРИДА МАРКАЗИЙ ОСИЁГА ҚИЛИНГАН НЕМИС ЭКСПЕДИЦИЯЛАРИ ТАРИХИДАН ”. 2025. Journal of Universal Science Research 3 (6 (SPECIAL ISSUE): 28-33. https://universalpublishings.com/~niverta1/index.php/jusr/article/view/12833.