TY - BOOK AU - Barchok, Hillary Kipngeno TI - Effect of Collaborative Concept Mapping Teaching Strategy on Students' Achievement, Motivation and Attitudes Towwards Chemistry in Selected Secondary Schools in Kenya AV - THE QD 40 .B37 2011 PY - 2011/// CY - Eldoret, Kenya PB - Moi University KW - Chemistry--Study and Teaching ER -