The reason is because of 941-210 English writing for business communication teaching 2 when I register when 1 because I"m down when 2 behind. The match of 941-311 English oral presentation learned Wednesday when 13.00-16.00 น.ก with Friday when 13.00-16.00 PM. By this course teaching only one step. I sought to change the classroom when 2 learned Tuesday, time and 13.00-16.00 pm Thursday at 09.00-12.00. Instead.