00729naa#a2200205#i#450# EN\\bibl\114665 20260220110650.5 2587-6740 20260215b2026####ek#y0engy0150####ca RU Trends in the development of external labor migration in agriculture of the Russian Federation Journal article Moscow Electronic science 2026 3 с. Journal article local Миграция в город. Сельско-городская миграция. 314.727.2 Plakhin Andrey Evgen'evich Kocheryan Maxim Arturovich Guseva Tatyana Ivanovna Selezneva Maria Viktorovna ecience.ru