Sumathi S. LabVIEW based advanced instrumentation systems / S. Sumathi, P. Surekha, 2007 r=on-line. - Текст : электронный.
Sumathi S. Evolutionary intelligence : an introduction to theory and applications with matlab / S. Sumathi, T. Hamsapriya, P. Surekha, 2008 r=on-line. - Текст : электронный.
Sumathi S. Solar PV and Wind Energy Conversion Systems. An Introduction to Theory, Modeling with MATLAB/SIMULINK, and the Role of Soft Computing Techniques / S. Sumathi, L. Ashok Kumar, P. Surekha, 2015 r=on-line. - Текст : электронный.