TY  - RPRT
TI  - A look at audio-visual teaching. A review.
AU  - S Howell
PY  - 1981
DO  - 10.1111/j.1834-7819.1981.tb02440.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6166288/
ID  - 6166288
ER  -