Delve Publishing, Canada, 2020. (ISBN: 978-1-77407-243-1).
Delve Publishing, Canada, 2020. (ISBN: 978-1-77407-610-1).
Syrawood Publishing House, New York, 2019. (ISBN: 978-1-68286-784-6).
Delve Publishing, Canada, 2019. (ISBN: 978-1-77361-568-4).
Ashish Publications, New Delhi. 1990. (ISBN 81-7024-359-9).
A.P.H. Publishing Corporation, New Delhi. (ISBN 81-7024- 993-7).
Scientific Book Company, Patna. (NA).
Scientific Book Company, Patna. (NA).
National Environmentalists Association, India. (NA).
National Environmentalists Association, India. (NA).
2010 (ISSN: 0973-7049).
2010 (ISSN: 0973-7049).
2011 (ISSN: 0974-0376).
2012 (ISSN: 0974-0376).
2012 (ISSN: 0974-0376).
2012 (ISSN: 0974-0376).
Published by Elsevier 2014 (ISSN: 0974-0376).
2012 (ISSN: 0974-0376).
Published by Elsevier (ISBN: in press).