An Overview of Online Learning 
This 1998 book introduces online learning, and provides an overview of the key issues to consider when working with online learning. Specifically, it: describes what online learning is and identifies its major uses; identifies the four major types; provides an overview of the technology needed; and lists the project issues--that is, management and learning issues--that need to be addressed when developing materials for online learning.
Carliner, Saul. VNU Business Media (1998). Books>Education>Online