Ana Pawestrin, Anselmus Yata Mones, and Maria Margaretha Dwilinda, “Peningkatan Hasil Belajar Peserta Didik Kelas X SMA Stella Duce 1 Yogyakarta pada Materi Suara Hati Melalui Model Pembelajaran Problem Based Learning”, SEMNASPA, vol. 5, no. 2, pp. 459–473, Oct. 2024.