Items where Author is "Kusumah, Yaya"

Napitupulu, E. Elvis and Suryadi, Didi and Kusumah, Yaya (2016) CULTIVATING UPPER SECONDARY STUDENTS’ MATHEMATICAL REASONING-ABILITY AND ATTITUDE TOWARDS MATHEMATICS THROUGH PROBLEM-BASED LEARNING. Journal on Mathematics Education, 07 (02). pp. 117-128. ISSN 2087-8885

Surya, Edy and Sabandar, Jozua and Kusumah, Yaya and Darhim (2013) IMPROVING ON JUNIOR HIGH SCHOOL VISUAL THINKING REPRESENTATION ABILITY IN MATHEMATICAL PROBLEM SOLVING BY CTL. Journal on Mathematics Education, 04 (01). pp. 113-126. ISSN 2087-8885