Auditing & Assurance Services 9e, Computers 8e, Marketing Communication 3e, Prinsiples of Mangerial Finance 10e, Financial Accounting 5e, Principles of Operations Management 5e,Cost Accounting 11e, Prinsiples of Marketing 10e(Update), Database Processing 9e, Essential of Management Information System 5e, Computers 12e, Information System Technology 1e, Human Resorce Management