TY - BOOK AU - Heinich,Robert AU - Molenda,Michael AU - Russell,James D. TI - Instructional media and technologies for learning SN - 0023530707 AV - LB 1028.3 I57 1996 PY - 1996/// CY - Englewood Cliffs, N.J. PB - Merrill KW - EDUCATIONAL TECHNOLOGY KW - AUDIO KW - VISUAL KW - EDUCATION N1 - Includes appendix and index; Media and istruction--Systematic planning for media use--Visual principles--Nonprojected media--Projected visuals--Audio--Video and film--Computers ER -