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		Wulandari, S., & 		Fajar Alam, P.
(2018).
 The Use of Online Waste Management System on Bank Sampah Induk Bantul.
<em>ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal Of Environmental Science), 12</em>(2), 186-198.
doi:10.24843/EJES.2018.v12.i02.p08