ANA, Khoirul; SEKAR DWI ARDIANTI; FINA FAKHRIYAH. THE EFFECTIVENESS OF PROBLEM BASED LEARNING ASSISTED BY LANCER MEDIA IN IMPROVING ELEMENTARY SCHOOL STUDENTS’ CONCEPTUAL UNDERSTANDING OF THE HUMAN DIGESTIVE SYSTEM: Efektivitas Model Problem Based Learning Berbantuan Media LANCER dalam Meningkatkan Pemahaman Konsep Materi Sistem Pencernaan Manusia pada Siswa Sekolah Dasar. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), [S. l.], v. 10, n. 4, p. 1693–1702, 2026. DOI: 10.36526/santhet.v10i4.8942. Disponível em: https://ejournal.unibabwi.ac.id/index.php/santhet/article/view/8942. Acesso em: 10 aug. 2026.