@article{319204, author = {Bell, Randy L.}, url = {http://library.usi.edu/record/319204}, title = {Teaching the nature of science through process skills : activities for grades 3-8 /}, publisher = {Pearson Allyn and Bacon,}, recid = {319204}, pages = {x, 278 p. :}, address = {Boston :}, year = {2008}, }