Hayati, Safa Amal. “Penerapan Problem Based Learning Berdiferensiasi Terhadap Hasil Belajar Kognitif Dan Kemampuan Kolaborasi Siswa SMA”. Prosiding Seminar Nasional Pendidikan Profesi Guru, vol. 1, no. 2, Nov. 2023, pp. 3961-7, https://conference.upgris.ac.id/index.php/psnppg/article/view/5732.