Similarity "Adult Gesture in Collaborative Mathematics Reasoning in Different Ages"Journal of Physics: Conference Series Samsul Maarif, SMF Samsul Maarif, SMF Similarity "Adult Gesture in Collaborative Mathematics Reasoning in Different Ages"Journal of Physics: Conference Series. UHAMKA. (Unpublished) http://repository.uhamka.ac.id/2473/1/Adult%20Gesture%20in%20Collaborative%20Mathematics%20Reasoning%20in%20Different%20Ages.pdf Unduh Disini!