Marram, G. D. (1973). The group approach in nursing practice. Mosby.
Dyfyniad Arddull ChicagoMarram, Gwen D. The Group Approach in Nursing Practice. St. Louis: Mosby, 1973.
Dyfyniad MLAMarram, Gwen D. The Group Approach in Nursing Practice. Mosby, 1973.
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