- Author: D. Gopalakrishna
- Language: English
- Year: 2009
- Author: D. Shivarudrappa, K. Ramachandra, K.S. Gopalakrishna
- Language: English
- Year: 2009
- Author: D. Gopalakrishna Rao
- Language: English
- Year: 2010
- Author: Gopalakrishna Srinivasan
- Language: English
- Author: Katta Gopalakrishna Murty
- Language: English
- Year: 1988