[1]
Togatorop, Y.A. et al. 2026. Problem-Solving Learning: A Systematic Literature Review of Learning Outcomes and Thinking Skills. AL-ISHLAH: Jurnal Pendidikan. 18, 3 (Sep. 2026), 3840–3858. DOI:https://doi.org/10.35445/alishlah.v18i3.10043.