TY - BOOK AU - Langdon,Danny G. TI - The adjunct study guide T2 - The Instructional design library SN - 0877781052 AV - LB1049 .L35 U1 - 378.1/7/943 PY - 1978/// CY - Englewood Cliffs, N.J. PB - Educational Technology Publications KW - Independent study KW - Local KW - Study skills N1 - 920909; Bibliography: p. 75-76 ER -