Development of Learning Tools through the Wankat-Oreovocz Strategy to Improve Mathematical Problem Solving Ability of Junior High School Students

Author(s)            : (1) Nurul Munawarah; (2) Sahat Saragih; (3) E. Elvis Napitupulu

Institution          : State University of Medan, Indonesia

Category            : Article

Topics                 : Mathematic, Education

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