Biddle, e. b. D. S. A. a. B. J. Knowledge for policy improving education through research. The Falmer Press.
Dyfyniad Arddull ChicagoBiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
Dyfyniad MLABiddle, edited by Don S. Anderson and Bruce J. Knowledge for Policy Improving Education Through Research. The Falmer Press.
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