Photovoltaic systems. - R. Ramakumar; John E. Bigger (Proc. IEEE, 1993)

Economic aspects of advanced energy technologies. - R. Ramakumar; Nicholas G. Butler; Alonso P. Rodriguez; S. (Mani) S. Venkata (Proc. IEEE, 1993)

The Unique ID Project in India: A Skeptical Note. - R. Ramakumar (ICEB, 2010)

Upgrading the power supply to the Al-Zawea refinery in Libya. - Akram Gawedar; R. Ramakumar (ISGT, 2016)