TY - BOOK AU - Sweller,John AU - Miller,Elaine TI - Instructional design T2 - Australian education review SN - 9780864313126 PY - 1999/// CY - Victoria, Australia PB - ACER Press KW - Instructional systems KW - Design KW - Cognitive learning KW - Learning, Psychology of N1 - Includes bibliographical references ER -