TY  - ADVS
TI  - Teaching mathematics effectively
PY  - 1982///?]
CY  - Alexandria, Va.
PB  - Association for Supervision and Curriculum Development
UR  - https://alvt.videotrust.org/cgi-bin/koha/opac-retrieve-file.pl?id=858b4f4123bdd370411e0e7fa043c910
ER  -