Dubai visa for Palestinian passport holder

by Osama Al Hajj
(Riyadh, Saudi Arabia)

Salamo Alaykom

I am Palestinian holding Palestinian passport issued from the Palestinian embassy, I have already a residency in Saudi Arabia and live in Riyadh, I will need to come to Dubai for the Arab Health Exhibition ... what is the right way to obtain the visa from 23rd January till 27th January 2011.

Awaiting your reply