TY  - BOOK
AU  - Higgins,J.J.
TI  - Guide to language laboratory material writing
AV  - PE1060.H54 
PY  - 1969///
CY  - Oslo
PB  -  : Universitetsforlaget
KW  - English language
KW  - Study and teaching
KW  - Audio-visual aids
KW  - Language laboratory
N1  - Includes bibliographical references
ER  -