- Libro electrónicoThe Certified Quality PlannerDr Zulk Shamsuddin
- Libro electrónicoThe Certified Operational Risk ManagerDr Zulk Shamsuddin
- Libro electrónicoThe Certified Personal Executive AssistantDr Zulk Shamsuddin
- Libro electrónicoThe Certified Project Portfolio ManagerDr Zulk Shamsuddin
- Libro electrónicoThe Accredited Supply Chain ProfessionalDr Zulk Shamsuddin
- Libro electrónicoThe Certified Project Risk ManagerDr Zulk Shamsuddin