Oosthuizen Ockmer, L, and M. Ehlers Elizabeth. “A Specialized Multi-Agent Search Engine Model for the Extended Manufacturing Enterprise ”. Journal of Automation, Mobile Robotics and Intelligent Systems 1, no. 4 (October 22, 2007): 59–69. Accessed April 30, 2025. https://www.jamris.org/index.php/JAMRIS/article/view/411.