S. T. . Handayani, Y. . Fauziah, and E. F. Fahyuni, “Application of Problem Solving in Indonesian Language Subjects at Muhammadiyah 2 Middle School in Taman: Penerapan Problem Solving pada Mata Pelajaran Bahasa Indonesia di SMP Muhammadiyah 2 Taman”, icecrs, vol. 6, Jun. 2020.