Indrosaptono D, Syahbana JA. Informal sector strategy in urban inorganic waste management toward 3 M management (Merubah: Changing, Mengurangi: Reducing, Manfaat: Benefit) in Semarang city. JAU [Internet]. 2017Dec.26 [cited 2024Apr.25];41(4):278-87. Available from: https://journals.vilniustech.lt/index.php/JAU/article/view/1520