Aprillia Putri Pradinar, Wiryanto and Endah Budi Rahaju (2026) “DEVELOPMENT OF ETHNOMATHEMATICS-BASED TEACHING MATERIALS USING KUE LUMPUR (MUD CAKE) ON FRACTION TOPICS TO IMPROVE NUMERACY AND SELF-EFFICACY OF FOURTH-GRADE STUDENTS”, SOSIOEDUKASI : JURNAL ILMIAH ILMU PENDIDIKAN DAN SOSIAL, 15(2), pp. 1469–1480. doi: 10.36526/sosioedukasi.v15i2.8157.