Pepino, D. O. (1988). Problem-solving difficulties in elementary mathematics intermediate grades, schools, District of Garcia-Hernandez, Division of Bohol, 1987-1988: Implications to guidance & counseling.
Chicago-referens (17:e uppl.)Pepino, Degollacion Ochavillo. Problem-solving Difficulties in Elementary Mathematics Intermediate Grades, Schools, District of Garcia-Hernandez, Division of Bohol, 1987-1988: Implications to Guidance & Counseling. 1988.
MLA-referens (9:e uppl.)Pepino, Degollacion Ochavillo. Problem-solving Difficulties in Elementary Mathematics Intermediate Grades, Schools, District of Garcia-Hernandez, Division of Bohol, 1987-1988: Implications to Guidance & Counseling. 1988.
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