How can i get dubai visa from liberia

by nandni kissun
(liberia)

I am from fiji islands and i am in Liberia for peacekeeping mission. i wish to spent my leave in Dubai. I have visited Dubai in December on my way to Liberia for one day as i was supposed to spend one day in transit so i applied for transit visa.
i wish to spent at least 15 days in Dubai.
how should i apply