“Character Education For Care For The Environment And Maintaining Cleanliness At UPT SDN 066048 Medan”. Literasi Jurnal Pengabdian Masyarakat dan Inovasi 3, no. 2 (August 31, 2023): 640–648. Accessed December 5, 2025. https://jurnal.politap.ac.id/index.php/literasi/article/view/1125.