The store owner's guide to practical recordkeepingRobert C. Ragan · First published 1992Open the Tome
Profitable advertising techniques for small businessHarvey R Cook, Robert C. Ragan, Jack Zwick · First published 1980Open the Tome
Fundamentals of recordkeeping and finance for the small businessRobert C. Ragan, Jack Zwick · First published 1978Open the Tome
