TY - BOOK AU - Tobias,Sheila TI - They're not dumb, they're different: stalking the second tier T2 - An Occasional paper on neglected problems in science education AV - Q181 .T58 1990 U1 - 507.1 20 PY - 1990/// CY - Tucson, Ariz. (6840 E. Broadway Blvd., Tucson 85710-2815) PB - Research Corp. KW - Science KW - Study and teaching KW - Physics KW - Chemistry N1 - Includes bibliographical references (p. 93) ER -