Quality Management Systems A guide to ISO 9001 2015 Implementation and Problem Solving: Revised - 2nd edition June 2018 Hewitt, David Heftet / 2019 / Engelsk
Quality Management : AS9100 Requirements for Aviation, Space and Defence Organisations A guide to implementation Hewitt, David Heftet / 2021 / Engelsk
Journey That Changed My Life From Prostate Cancer Diagnosis to Complementary Therapies and Wellness Hewitt, David Heftet / 2022 / Engelsk
My Journey Reflections on my life in the Bus and Coach Industry Birks, Austin Lloyd Heftet / 2022 / Engelsk
