Ysseldyke, J. E. (2000). Critical issues in special education (3rd.ed.). Houghton Mifflin.
Dyfyniad Arddull ChicagoYsseldyke, James E. Critical Issues in Special Education. 3rd.ed. Boston: Houghton Mifflin, 2000.
Dyfyniad MLAYsseldyke, James E. Critical Issues in Special Education. 3rd.ed. Houghton Mifflin, 2000.
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