Gregory Z. Bedny & Inna Bedny 
Self-Regulation in Activity Theory [PDF ebook] 
Applied Work Design for Human-Computer and Human-Machine Systems

Every complex human-machine system includes a computer as a critically important means of work. However, an operator’s interaction with a computerized system cannot be reduced to only performing computer-based tasks. Today human-computer interaction (HCI) is not limited to trained software users. People of all ages use all different kinds of gadget