00545naa#a2200181#i#450# EN\INFRA-M\bibl\3439 20250227111748.4 2308-4898 20140610b2014####ek#y0engy0150####ca RUS RU Zero Control as Integral Part of Geometrical and Graphic Disciplines’ Instruction Technique Journal article Moscow INFRA-M Academic Publishing LLC. 2014 4 с. Journal article local Melnyk Olga Buda Antonina zh-szf.ru