TY - BOOK AU - Zheng,Robert Z. AU - Ferris,Sharmila Pixy TI - Understanding online instructional modeling: theories and practices SN - 9781599047232 U1 - 378.1734 22 PY - 2008/// CY - Hersey, Pa. PB - Information Science Reference KW - Computer-assisted instruction KW - Internet in higher education KW - Education, Higher KW - Computer network resources N1 - Includes bibliographical references and index ER -