Sultanov Shuxrat Paraxat uli, Japakova Kamila Aybergen qizi, Qulimbetova Mexriban Ònerbaevna, and Djanabaeva Gozzal Utegen qizi. 2023. “FORMATION AND DEVELOPMENT OF LAUGHTER IN PRESCHOOLERS”. ОБРАЗОВАНИЕ НАУКА И ИННОВАЦИОННЫЕ ИДЕИ В МИРЕ 25 (2):92-94. https://newjournal.org/01/article/view/8216.