 Understanding Power Quality Problems: Voltage Sags and Interruptions by Math H. J. Bollen, August, 1991
 Applied Math for Water Plant Operators by Joanne Kirkpatrick Price, American Water Works Association, 22 July, 1991
 Mastering Math for The Building Trades by James Gerhart, 29 June, 2000
 Pipe Fitter's Math Guide by Johnny E. Hamilton, September, 1998
 Applied Math for Wastewater Plant Operators by Joanne Kirkpatrick Price, Valerie S. Bernan, et all 23 February, 1998
 Making Magnificent Machines: Fun With Math, Science, and Engineering by Carol McBride, June, 1999
 Applied Math for Wastewater Plant Operators  Workbook by Joanne Kirkpatrick Price, 14 May, 1991
 Basic Math for Process Control by Bob Connell, January, 2003
 Basic Math Concepts for Water and Wastewater Plant Operators by Joanne Kirkpatrick Price, American Water Works Association, 01 July, 1991
 Bifurcations in Flow Patterns: Some Applications of the Qualitative Theory of Differential Equations in Fluid Dynamics (Nonlinear Topics in the Math) by P. G. Bakker, October, 1991
