Myreddi, Vijayalakshmi Teaching students with profound mental retardation : a guide for teachers and parents / Vijayalakshmi Myreddi…[et al]. - Andhra Pradesh: National Institute for the mentally handicapped, 2007. - vii, 316p.;24cm. Includes bibliographical references. ISBN: 8189001868 Dewey Class. No.: 371.9 TEA