Ruffolo, M. C., Perron, B. E., & Voshel, E. H. (2016). Direct social work practice: Theories and skills for becoming an evidence-based practitioner. Sage.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিRuffolo, Mary Carmel, Brian E. Perron, এবং Elizabeth H. Voshel. Direct Social Work Practice: Theories and Skills for Becoming an Evidence-based Practitioner. Los Angeles: Sage, 2016.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিRuffolo, Mary Carmel, et al. Direct Social Work Practice: Theories and Skills for Becoming an Evidence-based Practitioner. Sage, 2016.
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