Não informado. (1979). Educational Evaluation and Policy Analysis. American Educational Research Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Educational Evaluation and Policy Analysis. Washington: American Educational Research Association, 1979.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Educational Evaluation and Policy Analysis. American Educational Research Association, 1979.
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