00749naa#a2200181#i#450# EN\\bibl\92190 20250130183157.4 2782-4586 20250113b2025####ek#y0engy0150####ca RU The concept, types and stages of certification of the organization's personnel Journal article Moscow Autonomous Commercial Organization for Additional Professional Education Center for the Development of Education and Science 2025 5 с. Journal article local Труд. Наука о труде. Экономика труда. Организация труда. 331 Ibragimova Kamila Saipulakhovna Gasanova Diana Magomedovna jomeam.ru