@article{277118, author = {Michael, Joel A., and Modell, Harold I.}, url = {http://library.usi.edu/record/277118}, title = {Active learning in secondary and college science classrooms a working model for helping the learner to learn / [electronic resource] :}, publisher = {L. Erlbaum Associates,}, recid = {277118}, pages = {1 online resource (xi, 171 p.)}, address = {Mahwah, N.J. :}, year = {2003}, }