Discovering the Mission of God – Best Missional Practices for the 21st Century Barnett Mike Heftet / 2012 / Engelsk
Fiftieth Anniversary of the EFA Commemorating fifty years supporting professional editorial freelancers Martin Robin Heftet / 2021 / Engelsk
Minority Influence and Innovation Antecedents, Processes and Consequences Martin Robin Heftet / 2012 / Engelsk
