“FOTO VA FOTONEGATIV HUJJATLARNING SAMARQAND TARIXINI (XIX ASR OXIRI – XX ASR BIRINCHI YARMI) OʻRGANISHDAGI AHAMIYATI”. Qo‘qon DPI. Ilmiy xabarlar jurnali 8, no. 9 (October 10, 2026): 2470–2476. Accessed October 15, 2026. https://journals-kokandsu.uz/index.php/kspi/article/view/7224.