ISMAYANTI, Syifa; MOHAMAD GILAR JATISUNDA. An analysis of students’ difficulties and problem-solving strategies in trigonometry instruction. Jurnal Inovasi Pembelajaran Matematika: PowerMathEdu, [S. l.], v. 4, n. 1, p. 75–90, 2025. DOI: 10.31980/pme.v4i1.2647. Disponível em: https://journal.institutpendidikan.ac.id/index.php/pme/article/view/2647. Acesso em: 28 sep. 2025.