Karimova Muyassarxon Abduqayumovna, и Turgunova Tursunoy Maratovna. «DUNYONING ENG MASHHUR KASHFIYOTLARI». Journal of New Century Innovations, т. 19, вып. 5, декабрь 2022 г., сс. 187-90, https://newjournal.org/new/article/view/2021.