Mohanty, B. B. 1931- A handbook of audio-visual aids. - [1st ed.] - Allahabad, Kitab Mahal [1962] - 261 p. illus. 23 cm. LCCN: sa 63001531 Subjects--Topical Terms: Audio-visual education--India. LC Class. No.: LB1043.2.I5 / M6