TY  - BOOK
AU  - Welton,David A.
AU  - Mallan,John T.
TI  - Children and their world: strategies for teaching social studies 
SN  - 0395307694
PY  - 1981///
CY  - Boston
PB  - Houghton Mifflin
KW  - Social sciences
KW  - Study and teaching (Elementary)
N1  - Includes index
ER  -