Manurung, M., Aryswan, A., Purba, A. S., Irawana, B. H. and Rahman, K. (2026) “Characterization of Mechanical Properties and Melt Flow Behavior of rPET from Waste Bank Sources Using Twin-Screw Extrusion”, SAINSTEK, 14(1), pp. 187–192. doi: 10.35583/js.v14i1.423.