Dayata, A. H. Common errors in problem solving in arithmetic committed by Grade Four pupils in the Division of Southern Leyte. University of the Philippines Library.
Chicago-Zitierstil (17. Ausg.)Dayata, Alfredo H. Common Errors in Problem Solving in Arithmetic Committed by Grade Four Pupils in the Division of Southern Leyte. Quezon City: University of the Philippines Library.
MLA-Zitierstil (9. Ausg.)Dayata, Alfredo H. Common Errors in Problem Solving in Arithmetic Committed by Grade Four Pupils in the Division of Southern Leyte. University of the Philippines Library.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.