000 00267nam a2200121Ia 4500
100 _aHartley, James
020 _a0-85038-943-7
942 _cBK
245 _aDesigning Instructional Text
260 _aKogan Page, London
_c1978
082 _a374.4 Har
300 _a175
999 _c59019
_d59019