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Donald John Treffinger
2 cilt bulundu.
Cilt sonuçları
Planning for Productive Thinking and Learning
Donald J. Treffinger, John Frederick Feldhusen · Prufrock Pr
80 sayfa · 2000
Education, curricula / Lesson planning
Self-directed study guide on the education of the gifted and the talented
Donald John Treffinger · Ventura County (California) Superintendent of Schools Office
180 sayfa · 1976
Gifted children / Education