“OMMAVIY XIZMAT KO’RSATISH MODELLARI. TAVAKKALCHILIK SHAROITIDA YECHIM QABUL QILISH. LAPLAS KRITERIYASI. MINIMAKS VA MAKSIMIN KRITERIYALARI”. Ustozlar uchun 94, no. 5 (April 29, 2026): 464–472. Accessed May 14, 2026. https://journalss.org/index.php/ust/article/view/27090.