RT Journal Article SR Electronic T1 The Effect of a Microcomputer-Based Biology Study Center on Learning in High School Biology Students JF The American Biology Teacher FD University of California Press SP 270 OP 278 DO 10.2307/4450308 VO 59 IS 5 A1 Lu, Casey R. A1 Voss, Burton E. A1 Kleinsmith, Lewis J. YR 1997 UL http://abt.ucpress.edu/content/59/5/270.abstract AB