Стоит послушать! Ефимов В. А. Основы мировоззренческой безопасности
Лекция В.А. Ефимова для 1-го курса студентов СПбГАУ на тему “Основы мировоззренческой безопасности“
Видео канала - Виктор Ефимов -
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