TY  - BOOK
T1  - Instructional film research 1918-1950
A1  - Hoban, Charles Francis 1906-
A2  - Van Ormer, Edward Bunn 1903-
LA  - English
PP  - New York
PB  - Arno Press
YR  - 1970
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217606042628
NO  - First issued in 1951 as Technical report no. SDC 269-7-19 of the instructional Film Research Program, Pennsylvania. State College.
CN  - LB 1044 H383
KW  - Moving-pictures in education.
ER  -