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1. What if? :   Publication: New York : Harper Perennial, 1990 . xix, 230 p. - Date:1990 Availability: Copies available: Tain Campus Education & Humanities [PE1413 B47] (1), Actions: Add to cart
2. Science learning:   Publication: Newark, Del.: International Reading Association, 1991 . viii, 164p. : ill., photos. Date:1991 Availability: No items available: Actions: Add to cart