Customer relationship management (CRM)

Chapter 8 here

Sales system or selling module

Chapter 9 here

Procurement system or buying module

Chapter 10 here

Accounting system

Chapter 11 here

Inventory management

Chapter 12 here

Manufacturing

Chapter 13 here

Asset management

Chapter 14 here

Support management

Chapter 15 here

Project Management

Chapter 16 here

Website and E-commerce management

Chapter 17 here