Peros, Arthur John2017-01-122017-01-1219491949b14650824(OCoLC)07798839(OCoLC)ocm07798839https://hdl.handle.net/2144/20001Thesis (M.B.A.)--Boston University, 1949. This item was digitized by the Internet Archive.en-USBased on investigation of the BU Libraries' staff, this work is free of known copyright restrictionsSuperphosphate fertilizer industryThesis/Dissertation