Syahrial S, Saragih DI, Siregar H, Syahara N, Putri SA. THE URGENCY OF DEVELOPING PRIMARY SCHOOL STUDENTS’ MATHEMATICAL THINKING SKILLS IN THE CONTEXT OF 21ST CENTURY EDUCATION. Jurnal Merah Putih Sekolah Dasar, The Indonesian Journal of Primary School Education [Internet]. 2025 Jul. 1 [cited 2026 Feb. 16];2(6):569-80. Available from: https://jurnal.unimed.ac.id/2012/index.php/jmpsd/article/view/72482