International Income TaxationCharles H. Gustafson Robert J. Peroni · First published 2016 · Latest edition 2017Open the Tome
Hawaiian Plant LifeRobert J. Gustafson, Derral R. Herbst, Philip W. Rundel · First published 2014Open the Tome
Taxation of International TransactionsCharles H. Gustafson, Robert J. Peroni, Charles H. Gusafson, Richard Crawford Pugh · First published 1996 · Latest edition 2005Open the Tome
Fundamentals of electricity for agricultureRobert J. Gustafson, Mark T. Morgan · First published 1980 · Latest edition 2004Open the Tome
International Income TaxationRobert J. Peroni, Charles H. Gustafson · First published 1993Open the Tome