Gabor, P. A., Gabor, P. M., Grinnell, R. M., & Unrau, Y. A. (1998). Evaluation for social workers: A quality improvement approach for the social services (2nd ed.). Allyn and Bacon.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGabor, Peter A., Peter M.S.W Gabor, Richard M. Grinnell, और Yvonne A. Unrau. Evaluation for Social Workers: A Quality Improvement Approach for the Social Services. 2nd ed. Boston: Allyn and Bacon, 1998.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGabor, Peter A., et al. Evaluation for Social Workers: A Quality Improvement Approach for the Social Services. 2nd ed. Allyn and Bacon, 1998.
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