TY - BOOK AU - Makoko,Mosses TI - Modeling of virtual private network (VPN) for secondary schools in Tanzania AV - ECSE PRO TK5105.875.I57M34 PY - 2004/// CY - Dar es Salaam PB - University of Dar es Salaam KW - Virtual computer systems KW - Education KW - Secondary KW - Internet KW - Tanzania N1 - Includes bibliographical references ER -