Kayumova Nilufar. “‘PAST PERFECT ZAMONIDA BERILGAN INGLIZ TILIDAGI FE’LLARNING ASPEKTUAL VAZIYATLAR TAHLILI VA ULARNING O’ZBEK TILIDA BERILISHI’”. JOURNAL OF NEW CENTURY INNOVATIONS 79, no. 2 (June 28, 2025): 228–232. Accessed March 27, 2026. https://scientific-jl.com/new/article/view/23600.