Medveckis, A. ., T. Pigozne, and D. . Tomsons. “Enhancement of Educators’ Digital Competences in the Acquisition Programming Fundamentals in Programming Environment Scratch”. World Journal on Educational Technology: Current Issues, vol. 13, no. 4, Oct. 2021, pp. 934-46, doi:10.18844/wjet.v13i4.6276.