TY  - RPRT
TI  - Foreign language learning difficulties: an historical perspective.
AU  - L Ganschow
AU  - R L Sparks
AU  - J Javorsky
DO  - 10.1177/002221949803100304
UR  - https://pubmed.ncbi.nlm.nih.gov/9599957/
ID  - 9599957
ER  -