00539naa#a2200169#i#450# EN\\bibl\113103 20260117172216.6 2311-1402 20110925b2011####ek#y0engy0150####ca RUS RU Selection of software for design of computer games within additional education of children Journal article Nizhnevartovsk Nizhnevartovsk State University 2011 5 с. Journal article local Tkachenko Valentina Alexandrovna vestnik.nvsu.ru