Systems Analysis and Design
Bookboon - Systems Analysis and Design - This book concisely introduces systems analysis and design principles and techniques which are used for building information systems. Numerous practical exercises with feedback are included.
Open Textbook Library - Information Systems - Information Systems: A Manager's Guide to Harnessing Technology is intended for use in undergraduate and/or graduate courses in Management Information Systems and Information Technology.
Oregon State University - A Tale of Two Systems - This text is meant as a case study and companion text to many Systems Analysis & Design textbooks used in undergraduate Management Information Systems (MIS), Business Information Systems (BIS) and Computer Information Systems (CIS) programs.