TY - BOOK AU - Craycraft,Kenneth AU - Barth,James L.,1931- TI - Principles of social studies: the why, what, and how of social studies instruction SN - 0819109029 PY - 1981/// CY - Washington PB - University Press of America KW - Social sciences KW - Study and teaching KW - Addresses, essays, lectures N1 - Includes index ER -