ERMAWATI, E.; BULKANI, B. 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 Jurnal, v. 25, n. 3, p. 47–54, 15 Sept.2026.