Halim AK. PENGELOLAAN BANK SAMPAH DENGAN BERBASIS R4 (REDUCE, REUSE, RECYCLE, REPLANT). Oborpenmas [Internet]. 2018 Oct. 1 [cited 2025 Feb. 22];1(1). Available from: http://360665.5mvk4.group/index.php/OBORPENMAS/article/view/1481