Manipol, M. R. V. (1990). The effectiveness of the Montessori method in teaching the Decimal System to second grade students.
Chicago-Zitierstil (17. Ausg.)Manipol, Ma. Rosalie Villanueva. The Effectiveness of the Montessori Method in Teaching the Decimal System to Second Grade Students. 1990.
MLA-Zitierstil (9. Ausg.)Manipol, Ma. Rosalie Villanueva. The Effectiveness of the Montessori Method in Teaching the Decimal System to Second Grade Students. 1990.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.