Waste Management Awareness Education for Elementary School Teachers and Students; the Implementation of Sustainable Environmental Education - Darussyamsu, Rahmawati; Helendra, Helendra; Arsih, Fitri; Ristiono, Ristiono; Fajrina, Suci; Ramayani, Mia; Riski, Shintia (Pelita Eksakta, 2024)