Παραπομπή APA

Wells, K., & Littell, J. H. Study quality assessment in systematic reviews of research on intervention effects.

Παραπομπή Chicago Style

Wells, Kathleen., και Julia H. Littell. Study Quality Assessment in Systematic Reviews of Research On Intervention Effects.

Παραπομπή MLA

Wells, Kathleen., και Julia H. Littell. Study Quality Assessment in Systematic Reviews of Research On Intervention Effects.

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