00575naa#a2200157#i#450# EN\\bibl\16858 20241205035120.4 2312-4431 20170609b2017####ek#y0engy0150####ca RU THE THEORETICAL FOUNDATION OF ADVANCED EDUCATIONAL TRAINING (TRINITARIAN APPROACH) Journal article Cheboksary Non-state educational private institution of additional professional education "Expert-methodological centre" 2017 7 с. Journal article local Zor'kina Natal'ya Vladimirovna zh-szf.ru