@thesis{thesis,
		author={Nugroho  Dwi Yulianto},
		title ={The use of picture series to help the students of XB of SMA N 10 Yogyakarta 2010/2011 academic year write a recount text : classroom action research},
		year={2011},
		url={http://repository.usd.ac.id/10078/},
		abstract={}
		}