(1979). Applied mathematical problem solving. ERIC Clearinghouse for Science, Mathematics, and Environmental Education.
Chicago-Zitierstil (17. Ausg.)Applied Mathematical Problem Solving. Columbus, Ohio: ERIC Clearinghouse for Science, Mathematics, and Environmental Education, 1979.
MLA-Zitierstil (9. Ausg.)Applied Mathematical Problem Solving. ERIC Clearinghouse for Science, Mathematics, and Environmental Education, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.