IID MAULIDIYAH SUBHI; RIRIS WIDIYANTI PUTRI; SITI MAHMUDAH; ICHSAN ANSHORY; ARINA RESTIANI. PROBLEM-BASED LEARNING AS AN INSTRUCTIONAL STRATEGY FOR STRENGTHENING STUDENTS’ LITERACY AND NUMERACY SKILLS: A SYSTEMATIC LITERATURE REVIEW: Pembelajaran Berbasis Masalah sebagai Strategi untuk Memperkuat Kemampuan Literasi dan Numerasi Siswa: Tinjauan Literatur Sistematis. Santhet (Jurnal Sejarah Pendidikan Dan Humaniora), [S. l.], v. 10, n. 2, 2026. DOI: 10.36526/santhet.v10i2.6908. Disponível em: https://ejournal.unibabwi.ac.id/index.php/santhet/article/view/6908. Acesso em: 9 may. 2026.