THE EFFECT OF DISCOVERY LEARNING MODEL ON STUDENTS’ COGNITIVE IMPROVEMENT IN BIOLOGY MATERIAL OF X CLASS. Al 'Ilmi: J. Pendidik. MIPA [Internet]. 2015 Jan. 31 [cited 2026 Jul. 11];4(1). Available from: https://jurnal.radenfatah.ac.id/index.php/alilmi/article/view/2117