TY - JOUR TI - Graphical Instructions for Procedures Involving Material Flow: PY - 2018 AU - Zachary H. Pugh AU - Douglas J. Gillan T2 - Factor X: Challenges, Implementation Strategies and Examples for a Sustainable Use of Natural Resources LK - https://journals.sagepub.com/doi/10.1177/1541931218621409 DO - 10.1177/1541931218621409 ER -