- Author: Dr. R.K. Kaushik
- Language: English
- Year: 2019
- Author: G. S. Sawhney
- Language: English
- Year: 2019
- Author: T. Krishna Rao
- Language: English
- Year: 2010
- Author: T. Krishna Rao
- Language: English
- Year: 2011
- Author: T. Krishna Rao
- Language: English
- Year: 2019
- Author: Vijay Kumar Jadon and Suresh Verma
- Language: English
- Year: 2013
- Author: G. S. Sawhney
- Language: English
- Year: 2015
- Author: G. S. Sawhney
- Language: English
- Year: 2015
- Author: Dr. R.K. Kaushik
- Language: English
- Year: 2016