Thinklab (1974)
NOT_MATURE -
Science Research Associates (Canada), K. J. (Kenneth Jerome) Weber, Société de recherche appliquée à l'éducation (Canada), Weber (K. J.) Ltd, Weber (K. J.) Ltée
Overview
Consists of 125 problem cards (4 copies of each), 40 student progress cards, manipulative materials and teacher's guide.
Original Language
English
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