Berger, Edmond Antonio2017-02-162017-02-1619341934b1463143x(OCoLC)7784786https://hdl.handle.net/2144/20403Thesis (M.B.A.)--Boston University, 1934. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsImproving the service of the Bell system subscribersThesis/Dissertation