Ely Ermawati; Bulkani. Analisis Kebutuhan Bahan Ajar Berbasis Etnomatematika Untuk Meningkatkan Pemahaman Konsep Bangun Ruang Di SDN 1 Bandar Agung Kecamatan Parenggean: Analysis Of The Needs For Teaching Materials Based On Ethnomathematics To Improve Understanding Of The Concept Of Spacious Buildings At SDN 1 Bandar Agung, Parenggean District. Anterior J 2026, 25, 47-54.