@article{Black&Wiliam_2009,
        title = {Developing the theory of formative assessment},
        author = {Paul Black and Dylan Wiliam},
        journal = {Assessment, evaluation and accountability},
        number = 1,
        volume = 1,
        year = 2009,
        biburl = {http://www.bibsonomy.org/bibtex/2207ea774acca3d0164dc5d9295921513/yish},
	keywords = {WLEFormativeEAssessment assessment feasstpatterns formative theory wleformativeeassessment},
    }