Amanda Putri, A., and H. . Thamrin. “Character Education For Care For The Environment And Maintaining Cleanliness At UPT SDN 066048 Medan”. Literasi Jurnal Pengabdian Masyarakat Dan Inovasi, vol. 3, no. 2, Aug. 2023, pp. 640-8, doi:10.58466/jurnalpengabdianmasyarakatdaninovasi.v3i2.1125.