TY - BOOK AU - David J. Eckstrom AU - ED - ED - ED - ED - SN - 2 PY - 0000///46 CY - PB - KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Research.;Study and teaching KW - Chemistry;Chemistry N1 - ABSTRACT : The author discusses his experiences with constructivism; 5 ER -