00555naa#a2200181#i#450# EN\\bibl\30437 /en/manage/index 20250410031538.4 2542-1840 20190903b2019####ek#y0engy0150####ca RU Start of Employment Contract Journal article Kemerovo Kemerovo State University 2019 7 с. Journal article local Право. Юридические науки. 34 Kichigin Sergey Vladislavovich test.editorum.ru /en/manage/index