Purpel, D. E. (1989). The moral & spiritual crisis in education: A curriculum for justice and compassion in education. Bergin & Garvey.
Citace podle Chicago (17th ed.)Purpel, David E. The Moral & Spiritual Crisis in Education: A Curriculum for Justice and Compassion in Education. Granby, Mass: Bergin & Garvey, 1989.
Citace podle MLA (9th ed.)Purpel, David E. The Moral & Spiritual Crisis in Education: A Curriculum for Justice and Compassion in Education. Bergin & Garvey, 1989.
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