Belinda, O., D. Yuliana, R. Wahyuni, E. Theodora, and A. Rusmaida. “Analisis Penggunaan Model Pembelajaran Problem Based Leraning Terhadap Hasil Belajar IPAS”. Prosiding Seminar Nasional PPG Universitas Mulawarman, Vol. 4, Dec. 2023, pp. 47-49, https://jurnal.fkip.unmul.ac.id/index.php/semnasppg/article/view/3047.