John P. Miller Educating for wisdom and compassion: creating conditions for timeless learning. — Corwin Press, 2005. С.60Архивная копия от 23 апреля 2021 на Wayback Machine
John P. Miller Educating for wisdom and compassion: creating conditions for timeless learning. — Corwin Press, 2005. С.60Архивная копия от 23 апреля 2021 на Wayback Machine