Chatpun Khamyat. (2007) The AGV scheduling problem with alternative pick up and delivery nodes /. Kasetsart University,:ม.ป.ท.Chatpun Khamyat. 2007. The AGV scheduling problem with alternative pick up and delivery nodes /. ม.ป.ท.:Kasetsart University,;Chatpun Khamyat. The AGV scheduling problem with alternative pick up and delivery nodes /. ม.ป.ท.:Kasetsart University, 2007. Print.