"hancock, alan . "
producing for educational mass media: / alan.. hancock - 1 ed. - uk : unesco 1976. - ", 256p.; 22 cm."
0-582-41136-x
LB1044.7 / .P76 1976
producing for educational mass media: / alan.. hancock - 1 ed. - uk : unesco 1976. - ", 256p.; 22 cm."
0-582-41136-x
LB1044.7 / .P76 1976