Cach chuyen visa du lich sang visa Non Immigrant B o Thai Lan

Giai thich thu tuc chuyen visa du lich sang visa Non Immigrant B trong Thai Lan, ghi chi cac giay to can thiet tu nha tuyen dung, cac buoc nop ho so o co quan nhap cu va cac thuc hien tiep theo sau khi duoc chap thuan. Cung de cap den lo trinh hoc ED va phan biet va giay to can thiet de chuyen sang visa lam viec hoac hoc tap.