@book{2808,
	author = {Nasir, Karim Ullah.},
	title = {Principles and practice of orthodontic treatment},
	publisher = {Higher Education Commission Pakistan ,},
	year = {2008 .},
	address = { Islamabad :},
	url = {https://books.google.com.pk/books?id=2CG2YjXJYy0C&printsec=frontcover&dq=Principles+and+practice+of+orthodontic+treatment&hl=en&sa=X&redir_esc=y#v=onepage&q=Principles%20and%20practice%20of%20orthodontic%20treatment&f=false}
}