TY - BOOK AU - Mayer,Richard E. TI - Learning and instruction SN - 0130983969 AV - LB1051 .M3913 2003 U1 - 370.15/23 21 PY - 2003/// CY - Upper Saddle River, N.J. PB - Merrill KW - Educational psychology KW - Teaching KW - Learning ER -