00655naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200015800101210005100259215001000310608002700320675010000347700002400447856001400471EN\INFRA-M\bibl\4123020240628032114.5##a2500-0489##a20210125b2021####ek#y0engy0150####ca##aRU1#aInfluence of an engineering problem on the formation  of students' conceptual thinking in the process  of geometric and graphic teachingeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a5 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50#1aVereschaginagT. A.4#azh-szf.ru