1. Business information systems: technology, development and management for the modern business Bocij, Paul, Harlow, United Kingdom : Pearson Education Limited, 2019. ACCT130
2. Microsoft Excel step by step: (Office 2021 and Microsoft 365) Lambert, Joan, [Redmond] : Microsoft Press ; [2022] BUS110
3. Microsoft Office 2016 in practice: Excel complete Stewart, Kathleen, 1951- New York : McGraw-Hill/Irwin, [2017] ACCT471 ACCT132
4. Introduction to VBA for Excel Chapra, Steven C. Upper Saddle River : Prentice Hall, c2010. ACCT132