Items by "Dewi, I."

Dewi, I. and Siregar, N. and Andriani, A. and Ritonga, A. (2019) Analysis of Communication and Mathematical Abstraction Ability of Junior High School Students’ using Student Activity Sheets Based on Model of Learning Mean – Ends Analysis. In: Proceedings of The 5th Annual International Seminar on Trends in Science and Science Education, AISTSSE 2018, 18-19 October 2018, Medan, Indonesia.