Ridenour, N. (1969). Mental health education: Principles in the effective use of materials. Mental Health Materials Center.
Dyfyniad Arddull ChicagoRidenour, Nina. Mental Health Education: Principles in the Effective Use of Materials. New York: Mental Health Materials Center, 1969.
Dyfyniad MLARidenour, Nina. Mental Health Education: Principles in the Effective Use of Materials. Mental Health Materials Center, 1969.
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