(1973). Dynamic elementary social studies: Unit teaching / [by] Lavone A. Hanna, Gladys L. Potter [and] Robert W. Reynolds.
Chicago-viite (17. p.)Dynamic Elementary Social Studies: Unit Teaching / [by] Lavone A. Hanna, Gladys L. Potter [and] Robert W. Reynolds. 1973.
MLA-viite (9. p.)Dynamic Elementary Social Studies: Unit Teaching / [by] Lavone A. Hanna, Gladys L. Potter [and] Robert W. Reynolds. 1973.
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