000
00264nam a2200109Ia 4500
100
_a
Alan, Hancock (ed)
020
_a
92-3-101258-4
942
_c
BK
245
_a
Producing for educational mass media
260
_a
The Unesco press, Paris
_c
1976
082
_a
371.335 Han
999
_c
4095
_d
4095