Engels-Schwarzpaul, ACRefiti, AL2018-11-292018-11-292018-05-012018-05-01Strategic Design Research Journal, 11(2): pp. 170-173, May-August 2018.1984-2988https://hdl.handle.net/10292/12092No abstract.This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International (CC BY 4.0), which permits reproduction, adaptation, and distribution provided the original author and source are credited.Journal ArticleOpenAccess10.4013/sdrj.2018.112.15