Farmo, M. and Ramli, M. 2018. 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: Jurnal Pendidikan Ekonomi. 3, 2 (May 2018), 32–38. DOI:https://doi.org/10.33084/neraca.v3i2.669.