00000cam a22000004a 4500 UP-1685523046125428221 Buklod 20230503092606.0 m || | | cr ||||||||||| 060425s1962 xx |||| r |||| u|eng d (iLib)UPMNL-00000055537 HV 3006 A1 A6 U.S. President Panel on Mental Retardation. A Proposed program for national action to combar mental retardation. Washington, D.C. U.S. Government Printing Office 1962. 201 p. 23 cm. People with mental disabilities United States. Mental retardation United States. UPMNL NURS HV3006 A1 A6 Book