Pengembangan Instrumen Lembar Kerja Peserta Didik Berbasis Promblem Based Learning Pada Materi Sistem Persamaan Linier Satu Variabel. tiraiedukasi [Internet]. 2025 Oct. 5 [cited 2026 Jul. 13];7(1):308-12. Available from: https://journal.uniqhba.ac.id/index.php/tirai_edukasi/article/view/814