Open Knowledge Repository . - Publications and resources from the World Bank Group related to a wide range of topics including business, economics, and development.
OpenLearn: Business - Business courses ranging from introductory to advanced level from the Open University. Courses include: investment risk, developing career resilience, social marketing, and business communication.
Below is a sample of books that can be found in open access platforms try the database tab to search directly in these platforms for suitable resources.
Introduction to Business by 
Fundamentals of Business (3rd ed.) by 