Introduction to Data Communication Concepts",
Citation
Introduction to Data Communication Concepts",, OKELLO, PROF. ODONGO WILLIAM , Presented at the Commonwealth Secretariat sponsored REPTIAA Seminar/ Workshop, Nairobi, Kenya, August, 1996, (1996) copy at http://profiles.uonbi.ac.ke/wokelo/publications/introduction-data-communication-conceptsPublisher
University of Nairobi School of computing and informatics