TY - JOUR TI - A hybrid material flow analysis for quantifying multilevel anthropogenic resources PY - 2019 AU - Kuang-Ly Cheng AU - Shu-Chien Hsu AU - Cathy C. W. Hung AU - Pi-Cheng Chen AU - Hwong-wen Ma T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://onlinelibrary.wiley.com/doi/abs/10.1111/jiec.12940 DO - 10.1111/jiec.12940 ER -