The Teacher Training Program for New Ph.D.s Darrell R. Lewis; William E. Becker American Economic Review 1976 66(2), 229-233
Cost Effectiveness of Computer-Assisted Economics Instruction Darrell R. Lewis; Bruce R. Dalgaard; Carol M. Boyer American Economic Review 1985 75(2), 91-96
Cost Effectiveness of Computer-assisted Economics Instruction Darrell R. Lewis; Bruce R. Dalgaard; Carol M. Boyer American Economic Review 1985
The Teacher Training Program for New Ph.D.s Darrell R. Lewis; William E. Becker American Economic Review 1976