Nasution, S. H. (2026) “THE ROLE OF THE PRINCIPAL AS A MANAGER IN IMPROVING THE QUALITY OF EDUCATION BASED ON THE VALUES OF PANCASILA: STUDI SYSTEMATIC LITERATURE REVIEW”, Jurnal Merah Putih Sekolah Dasar, 2(2), pp. 172–178. doi: 10.24114/jmpsd.v2i2.70407.