Farmo M, Ramli M. Upaya Meningkatkan Hasil Belajar Ekonomi Dengan Menggunakan Metode Problem Solving pada Peserta Didik Kelas XI IPA di SMA muhammadiyah Kasongan: Efforts to Improve Economic Learning Outcomes Using the Problem Solving Method in Students of Class XI Science at Kasongan Muhammadiyah High School. Neraca J Pendidikan Ekonomi [Internet]. 2018May31 [cited 2025Apr.4];3(2):32-8. Available from: https://ojs.umpr.ac.id/neraca/article/view/669