- Author: Jennifer Kissane Janet A. Neutze Harjit Singh
- Language: English
- Year: 2020
- Author: Harjit Singh Shahriar Akter Alka Munjal Harpal S. Grewal
- Language: English
- Year: 2019
- Author: Harjit Singh Janet A. Neutze Jonathan R. Enterline (eds.)
- Language: English
- Year: 2015
- Author: Harjit Singh
- Language: English
- Year: 2007