TY - RPRT TI - Helping Students make the transition from novice learner of ground-water concepts to expert using the Plume Busters software AU - P. A. Macfarlane AU - G. Bohling AU - K.W. Thompson AU - M. Townsend PY - 2006 UR - https://pubs.usgs.gov/publication/70028581 ID - 70028581 ER -