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Distar Language I-: Book A-C. 6 pts

Siegfried EngelmannJean OsbornTherese Engelmann

出版	Science Research Associates, 1972
URL	http://books.google.com.hk/books?id=WcyIzgEACAAJ&hl=&source=gbs_api

註釋

Materials for teaching concepts in language, color, logical reasoning and reading comprehension. Requires students to identify, describe and classify objects. For primary grade levels.