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Baccala, B., ed., “Connected: An Internet Encyclopedia” [online], 3rd ed., “SLIP Protocol Overview”, [retrieved on Jul. 12, 1999], retrieved from the Internet, <URL: http:www.FreeSoft.org/CIE/Topics/63.htm, Apr. 1997. |
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author unknown, CCS Web Central Survival Guide for the Internet, “Difference Between SLIP and PPP”, [retrieved on Jun. 24, 1999], retrieved from the Internet < URL:http://www.ccsi.com/survival-kit/> , Jul. 1996. |
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