Carin, A. A. (1997). Guided discovery activities for elementary school science (4th ed.). Merrill.
Chicago Style (17th ed.) CitationCarin, Arthur A. Guided Discovery Activities for Elementary School Science. 4th ed. Upper Saddle River, N.J: Merrill, 1997.
ציטוט MLACarin, Arthur A. Guided Discovery Activities for Elementary School Science. 4th ed. Merrill, 1997.
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