TY  - RPRT
TI  - A methodology for evaluating self-instructional modules.
AU  - A K Leach
AU  - B S Raff
DO  - 10.3928/0022-0124-19851101-06
UR  - https://pubmed.ncbi.nlm.nih.gov/3934236/
ID  - 3934236
ER  -