Al-Mishhedani, Raied.2015-12-312015-12-311984http://hdl.handle.net/2097/27222Call number: LD2668 .T4 1984 A425Lighting--Physiological effect.Interruption (Psychology)Labor productivity.Work environment--Lighting.Does external distraction affect worker performance under task lighting as much as with general lightingTextMasters theses