“Development of a Training Environment for Training the Basics of Programming for Students of 6-7 Grades of General Secondary Education Institutions”. Scientific Journal of the Dragomanov Ukrainian State University Series 2 Computer-Oriented Learning Systems, no. 22 (29), Feb. 2020, pp. 196-03, https://doi.org/10.31392/NPU-nc.series2.2020.22(29).26.