“Pengaruh Problem Based Learning Terhadap Hasil Belajar Peserta Didik Kelas XI IPA SMA Kristen Poli Kabupatern Timor Tengah Selatan”. JBIOEDRA: Jurnal Pendidikan Biologi, vol. 1, no. 2, Dec. 2023, pp. 120-6, https://www.journal.unwira.ac.id/index.php/JBIOEDRA/article/view/2848.