A comparison of pupil achievement in elementary mathematics using individualized instruction utilizing self-directed instructional materials and the teacher-directed mastery-based method
| المؤلف الرئيسي: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Zamboanga City
Western Mindanao State University
1981
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| الموضوعات: |