00510naa#a2200169#i#450# EN\\bibl\113089 20260314130509.6 2311-1402 20110925b2011####ek#y0engy0150####ca RUS RU Models of complex informatization management in secondary schools Journal article Nizhnevartovsk Nizhnevartovsk State University 2011 2 с. Journal article local Volobuyeva Olga Vladimirovna vestnik.nvsu.ru