Sri Haryati. Upaya Peningkatan Hasil Belajar Matematika Siswa Kelas VII melalui Model Discovery Learning SMPN 5 Bonai Darussalam. JERKIN [Internet]. 2024 Feb. 5 [cited 2026 Apr. 19];2(3):233-8. Available from: https://jerkin.org/index.php/jerkin/article/view/256