@article{discovery10001149,
          number = {1},
         journal = {Equals: Mathematics and Special Educational Needs},
          volume = {6},
            note = {Copyright {\copyright} the Mathematical Association.},
           pages = {19--22},
            year = {2000},
           title = {Formative Assessment in Mathematics Part 3: The Learner's Role},
             url = {https://discovery.ucl.ac.uk/id/eprint/10001149/},
          author = {Wiliam, Dylan}
}