@book{22742,
	author = {Swarajyalakshmi, B. and others and Mahila Vikas Sanstha and Institute of Development and Planning Studies, Vishakhapatnam},
	title = {Vision screening of primary school children in Vishakhapatnam :},
	publisher = {Heart & Hand for Handicapped, USA & Municipal Corporation, Vishakhapatnam},
	year = {1992}
}