Onarqulov Maqsadjon Karimberdiyevich, et al. “MANTIQIY OPERATSIYALAR VA SHARTLI IFODALARDAN FOYDALANISH”. Ustozlar Uchun, vol. 73, no. 3, June 2025, pp. 182-6, https://scientific-jl.com/uuc/article/view/20507.