00514pamaa2200169 4500 0000039109 20090909090000.0 0127618910 371.358 LEA LB1044.87 LEA 2000 LEARNING and Teaching on the World Wide Web edited by Christopher R. Wolfe. San Diego: Academic Press, 2000. xxvii, 278p.23 cm. Distance education Computer-assisted instruction Effective teaching Wolfe, Christopher R.