receipts
- (Acevedo Rullan, Aldo - 2013)
- (Benitez, Jaime - 1987)
- (Benitez, Jaime - 1988)
- (Cardona Martinez, Nelson - 1995)
- (Cardona Martinez, Nelson - 2010)
- (Colon Burgos, Guillermo - 1990)
- (Colon Burgos, Guillermo - 2000)
- (Hernandez Maldonado, Arturo J. - 2005)
- (Hernandez Maldonado, Arturo J. - 2006)
- (Hernandez Maldonado, Arturo J. - 2008)
- (Hernandez Maldonado, Arturo J. - 2011)
- (Martinez Inesta, Maria M. - 2009)
- (Suleiman Rosado, David - 1997)
- (Torres Lugo, Madeline - 2005)
- (Velazquez Figueroa, Carlos - 2000)
- Distinguished Professor of Chemical Engineering (Suleiman Rosado, David - 2003)
- Distinguished Professor of Chemical Engineering (Velazquez Figueroa, Carlos - 2000)
- Distinguished Professor of Chemical EngineeringUniversity of Puerto Rico Mayaguez (University) (Suleiman Rosado, David - 2013)