Valentine, J. C., & Cooper, H. M. (2003). The Department of Education’s What Works Clearinghouse Study Design and Implementation Assessment Device: Version 1.0. The Department of Education’s What Works Clearinghouse Study Design  and Implementation Assessment Device: Version 1.0.

Valentine, J. C., and H. M. Cooper. “The Department of Education’s What Works Clearinghouse Study Design and Implementation Assessment Device: Version 1.0.” The Department of Education’s What Works Clearinghouse Study Design  and Implementation Assessment Device: Version 1.0, 2003.

Valentine JC, Cooper HM. The Department of Education’s What Works Clearinghouse Study Design and Implementation Assessment Device: Version 1.0. The Department of Education’s What Works Clearinghouse Study Design  and Implementation Assessment Device: Version 10. 2003;

Valentine, J. C., and H. M. Cooper. “The Department of Education’s What Works Clearinghouse Study Design and Implementation Assessment Device: Version 1.0.” The Department of Education’s What Works Clearinghouse Study Design  and Implementation Assessment Device: Version 1.0, 2003.

Valentine JC, Cooper HM. The Department of Education’s What Works Clearinghouse Study Design and Implementation Assessment Device: Version 1.0. The Department of Education’s What Works Clearinghouse Study Design  and Implementation Assessment Device: Version 10. 2003;