TY - JOUR T1 - Cross-tier ripple and indirect effects of directives WEEE and RoHS on greening a supply chain JO - International Journal of Production Economics PY - 2012/01/01 AU - Koh SCL AU - Gunasekaran A AU - Tseng CS ED - DO - DOI: 10.1016/j.ijpe.2011.05.008 VL - 140 IS - 1 SP - 305 EP - 317 Y2 - 2025/06/21 ER -