Cable, Ralph.
Audio-visual handbook. - 2nd ed. - London, University of London P., 1968. - 118 p. illus. 22 cm.
0340085428
R
70520764
B69-06123
Audio-visual education--Handbooks, manuals, etc.
LB1043 / .C25 1968
371.33/02/02
Audio-visual handbook. - 2nd ed. - London, University of London P., 1968. - 118 p. illus. 22 cm.
0340085428
R
70520764
B69-06123
Audio-visual education--Handbooks, manuals, etc.
LB1043 / .C25 1968
371.33/02/02