TY  - RPRT
TI  - Task analysis in curriculum design: a hierarchically sequenced introductory mathematics curriculum.
AU  - L B Resnick
AU  - M C Wang
AU  - J Kaplan
PY  - 1973
DO  - 10.1901/jaba.1973.6-679
UR  - https://pubmed.ncbi.nlm.nih.gov/16795452/
ID  - 16795452
ER  -