Ismayanti, Syifa, and Mohamad Gilar Jatisunda. 2025. “An Analysis of students’ Difficulties and Problem-Solving Strategies in Trigonometry Instruction”. Jurnal Inovasi Pembelajaran Matematika: PowerMathEdu 4 (1):75-90. https://doi.org/10.31980/pme.v4i1.2647.