00614naa#a2200193#i#450# EN\\bibl\110586 20260118200821.7 2311-1402 20250925b2025####ek#y0engy0150####ca ENG RU The community of pioneer counselors in the representations of normative documents and periodicals (1922–1970) Journal article Nizhnevartovsk Nizhnevartovsk State University 2025 14 с. Journal article local . 947.157 ENG Churkin Mikhail K Churkina Natalia I vestnik.nvsu.ru