CCILearning Self Learning Book. This is suitable for Microsoft Office Specialist (MOS) Certification self study for MOS Excel 2013 Core Exam. CCI’s Approved Microsoft courseware is the ultimate learning tool for students looking to become Microsoft certified. This is suitable for Microsoft Office Specialist (MOS) Certification self study for MOS Core Exam. If you are looking to start a career in business or finance having a working knowledge of Microsoft’s Excel 2013 is a must. This course will also help you study and prepare to take the Microsoft’s Excel 77-420 Certification exam. Delivery Charge of €8.50 may apply to orders. The Retake Voucher is only valid for 30 days from the date of the original exam. Exam administration fee is not included. Test Centres may charge an Exam Administration (“Proctoring”) Fee to candidates redeeming an Exam Voucher. Recommended Exam Administration Fee is £15 / €18 per Exam. N.B. Courseware is usually delivered within 5 Business days from receipt of order. Many other topics available.