TY  - BOOK
AU  - Martorella, Peter H.
TI  - Elementary social studies : developing reflective, competent, and concerned citizens
PB  - Little, Brown
PY  - 1985
EP  - xix, 348 p.
UR  - http://ci.nii.ac.jp/ncid/BA04048079
SN  - 0316548707
ER  -