Kopchai Saisingthong. 2008. A process design for VPN handoff in wireless network with high reliability. Faculty of Science, Mahidol University;
Kopchai Saisingthong. (2008) A process design for VPN handoff in wireless network with high reliability . Mahidol University/Bangkok.
Kopchai Saisingthong. A process design for VPN handoff in wireless network with high reliability. . Bangkok:Mahidol University, 2008.
Kopchai Saisingthong. (2008) A process design for VPN handoff in wireless network with high reliability . Mahidol University/Bangkok.