Purba, Rani Natalia, Nia Diana Situmorang, Nursari Wahyuni Sigalingging, and Ernita Pasaribu. “ TEACHERS’ CHALLENGES IN TEACHING SPATIAL CONCEPTS IN FIFTH GRADE ELEMENTARY SCHOOL: A DESCRIPTIVE STUDY BASED ON LITERATURE”. Jurnal Merah Putih Sekolah Dasar 2, no. 3 (January 30, 2025): 256–263. Accessed February 16, 2026. https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/71020.