00516naa#a2200169#i#450# EN\\bibl\113099 20260119014730.1 2311-1402 20110925b2011####ek#y0engy0150####ca RUS RU Methodical system of teaching computer science as a core academic subject Journal article Nizhnevartovsk Nizhnevartovsk State University 2011 2 с. Journal article local Sadykova Olga Valentinovna vestnik.nvsu.ru