Epistola, N. V. (1967). Problem solving method: An approach to revitalize the teaching of social studies to academically superior children in the intermediate grades.
Chicago-Zitierstil (17. Ausg.)Epistola, Nicetas V. Problem Solving Method: An Approach to Revitalize the Teaching of Social Studies to Academically Superior Children in the Intermediate Grades. 1967.
MLA-Zitierstil (9. Ausg.)Epistola, Nicetas V. Problem Solving Method: An Approach to Revitalize the Teaching of Social Studies to Academically Superior Children in the Intermediate Grades. 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.