00543naa#a2200181#i#450# EN\NORMA\bibl\7944 /en/manage/index 20250217202650.1 1605-6590 20151111b2015####ek#y0engy0150####ca RUS RU Russian Labor Law: System-Related Problems in its History and Modernity Journal article Moscow Legal publishing house Norm 2015 0 с. Journal article local Demidov Nikolay test.editorum.ru /en/manage/index