Lukas Didik Prakoso, FX. Sugiyana, and Veronica Nurhayati, “Meningkatkan Hasil Belajar PAKAT Melalui Model Problem Base Learning Fase D Kelas VII SMP Negeri 23 Kota Surakarta”, SEMNASPA, vol. 5, no. 2, pp. 1739–1748, Oct. 2024.