Rahayu, Charomah Sri Setianing, and Sri Sutarni. “ANALISIS KESULITAN SISWA DALAM MENYELESAIKAN SOAL MATEMATIKA TIPE HOTS BERBASIS LANGKAH POLYA”. HISTOGRAM: Jurnal Pendidikan Matematika 7, no. 1 (March 30, 2023): 530–543. Accessed January 14, 2026. https://journal.matappa.ac.id/index.php/histogram/article/view/2655.