TY - BOOK AU - Mager, Robert F. TI - Preparing instructional objectives: a critical tool in the development of instruction SN - 1879618036 (pbk) U1 - 371.39442 PY - 1997/// CY - Atlanta PB - CEP Press KW - Programmed instruction KW - Aims & objective KW - Lessing planning KW - Education KW - IIMC N1 - Includes index ER -