Get Ready for Magento Certified Developer Exam. Magento Codepool
http://blog.belvg.com/magento-certification-magento-codepool.html

Get Ready for Magento Certified Developer Exam. Magento Module Structure.
http://blog.belvg.com/magento-certification-module-structure.html

Get Ready for Magento Certified Developer Exam. The Main Magento Design Areas and More…
http://blog.belvg.com/get-ready-for-magento-certified-developer-exam-the-main-magento-design-areas-and-more.html

Get Ready for Magento Certified Developer Exam. Class Naming Conventions and Their Relationship with the Autoloader
http://blog.belvg.com/get-ready-for-magento-certified-developer-exam-class-naming-conventions-and-their-relationship-with-the-autoloader.html

Get Ready for Magento Certified Developer Exam. Describing Methods for Resolving Module Conflicts
http://blog.belvg.com/get-ready-for-magento-certified-developer-exam-describing-methods-for-resolving-module-conflicts.html

Magento Certified Developer Exam: Explaining how Magento Loads and Manipulates Configuration Information (Part I)
http://blog.belvg.com/magento-certified-developer-exam-explaining-how-magento-loads-and-manipulates-configuration-information-part1.html

Magento Certified Developer Exam: Explaining how Magento Loads and Manipulates Configuration Information (Part II)
http://blog.belvg.com/magento-certified-developer-exam-explaining-how-magento-loads-and-manipulates-configuration-information-part2.html

Magento Certified Developer Exam: Describing Class Group Configuration and Use in Factory Methods
http://blog.belvg.com/magento-certified-developer-exam-describing-class-group-configuration-an-use-in-factory-methods.html

Magento Certified Developer Exam: The Process and Configuration of Class Overrides in Magento. Register an Observer
http://blog.belvg.com/the-process-configuration-of-class-overrides-in-magento-register-an-observer.html