TY - JOUR TI - Material Flow and Circular Economy PY - 2009 AU - Jian Zhong Chen T2 - Systems Research and Behavioral Science LK - http://www.springerlink.com/index/10.1007/s11213-010-9182-4%255Cnhttp://linkinghub.elsevier.com/retrieve/pii/S1475158504000025%255Cnhttp://informahealthcare.com/doi/abs/10.1080/13561820802168125%255Cnhttp://www.springerlink.com/index/10.1007/s11213-009-91 DO - 10.1002/sres.968 ER -