Dilham Fardian (1) Department of Mathematics Education, Universitas Pendidikan Indonesia, Bandung, Indonesia. (2) Indonesian Didactical Design Research Development Center (PUSBANGDDRINDO), Universitas Pendidikan Indonesia, Bandung, Indonesia Indonesia
Tatang Herman (1) Department of Mathematics Education, Universitas Pendidikan Indonesia, Bandung, Indonesia. (2) Indonesian Didactical Design Research Development Center (PUSBANGDDRINDO), Universitas Pendidikan Indonesia, Bandung, Indonesia Indonesia
Didi Suryadi (1) Department of Mathematics Education, Universitas Pendidikan Indonesia, Bandung, Indonesia. (2) Indonesian Didactical Design Research Development Center (PUSBANGDDRINDO), Universitas Pendidikan Indonesia, Bandung, Indonesia Indonesia
Sufyani Prabawanto (1) Department of Mathematics Education, Universitas Pendidikan Indonesia, Bandung, Indonesia. (2) Indonesian Didactical Design Research Development Center (PUSBANGDDRINDO), Universitas Pendidikan Indonesia, Bandung, Indonesia Indonesia