Hogan, Deborah C.2015-12-302015-12-301986http://hdl.handle.net/2097/22076Call number: LD2668 .T4 1986 H63People with mental disabilities--Employment.Horticultural service industry--Pennsylvania--Philadelphia.People with disabilities--Vocational guidance.A study to determine the feasibility of placing trained mentally retarded individuals into horticultural jobs in the Philadelphia areaTextMasters theses