Bida, Olena, et al. “THE STATE OF THE RESEARCH OF THE PROBLEM OF DEVELOPMENT OF INTELLECT AND CAPABILITY IN CHILDREN OF PRE-SCHOOL AGE IN THE WORK OF DOMESTIC AND FOREIGN SCIENTISTS”. Mountain School of Ukrainian Carpaty, no. 20, Sept. 2019, pp. 5-10, doi:10.15330/msuc.2019.20.5-10.