Bus tickets could be obtained from your ticket windows at Gyeongbu station in Seoul or Central Bus Station in Busan correct up towards the last minute, depending on seat availability. If you?�re intending to journey at a active time, it?�s best to get a ticket a couple of days beforehand. https://josephw975ykv6.blogsumer.com/32536389/everything-about-best-place-in-busan