/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: birninyero https://cdn.slidesharecdn.com/profile-photo-birninyero-48x48.jpg?cb=1563557228 Innovative solutions for "knowledge-based" information systems that includes: Operations, Management, Economics of Information System and management of information services. http://utm-my.academia.edu/UsmanMBirninyero