Risnawati, Nani, Sumarno, and Tiyas Purnama Kartika Dewi. “Peningkatan Hasil Belajar Matematika Materi Mengukur Sudut Melalui Penerapan Model Problem Based Learning Berbantuan Media Kongkret Pada Peserta Didik Kelas V SDN Pedurungan Kidul 01”. Prosiding Seminar Nasional Pendidikan Profesi Guru 2, no. 1 (January 9, 2025): 179–190. Accessed December 5, 2025. https://conference.upgris.ac.id/index.php/psnppg/article/view/6315.