Kosimova Khilola Muzaffar kizi. “‘THE INFLUENCE OF KRASHEN’S HYPOTHESES ON SECOND LANGUAGE LEARNERS’”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ, vol. 13, no. 7, Jan. 2023, pp. 169-71, https://newjournal.org/01/article/view/2802.