хThe иNational Association of Social Workers & Tripodi, T. (1994). A primer on single-subject design for clinical social workers. The National Association of Social Workers.
Παραπομπή σε μορφή Chicago (17η εκδ.)хThe иNational Association of Social Workers και Tony Tripodi. A Primer on Single-subject Design for Clinical Social Workers. Washington: The National Association of Social Workers, 1994.
Παραπομπή σε μορφή MLA (8th εκδ.)хThe иNational Association of Social Workers και Tony Tripodi. A Primer on Single-subject Design for Clinical Social Workers. The National Association of Social Workers, 1994.
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