RAHAYU, Charomah Sri Setianing; SUTARNI, Sri. ANALISIS KESULITAN SISWA DALAM MENYELESAIKAN SOAL MATEMATIKA TIPE HOTS BERBASIS LANGKAH POLYA. HISTOGRAM: Jurnal Pendidikan Matematika, [S. l.], v. 7, n. 1, p. 530–543, 2023. DOI: 10.31100/histogram.v7i1.2655. Disponível em: https://journal.matappa.ac.id/index.php/histogram/article/view/2655. Acesso em: 14 jan. 2026.