000 00374nam a2200157Ia 4500
020 _a058241055X
082 _a371.33
_bHAP
100 _aHancock, Alan
_945023
245 _aPlanning for educational mass media
_cAlan Hancock
260 _aLondon:
_bLongman,
_c1977.
300 _aviii, 383p.
500 _aHB
546 _aEng
650 _aMass media
_945225
942 _cBK
999 _c30221
_d30221