O’ktamov Sanjar Usubali o’g’li. “RAQOBATCHILARNI TAHLIL QILISH: BOZORDAGI RAQOBATNI BAHOLASH. ”. Ta’lim innovatsiyasi va integratsiyasi 44, no. 2 (May 4, 2025): 195–202. Accessed August 15, 2025. https://scientific-jl.com/tal/article/view/11514.