Developing Instructional Instruments Based on The Local Wisdom of Osingese Society’s of Banyuwangi Through Guided Discovery to Enhance The Students Mathematical Communication Ability (E. P. A. Hobri, Nanik Yuliati, Suharto , Trans.). (2017). International Journal of Scientific Research and Management (IJSRM), 5(12), 7619-7624. https://doi.org/10.18535/ijsrm/v5i12.07