by Saratchandra Singh, M., Surendra Singh, S.
Published in Gravitation & cosmology (2019)

by Singh, S. Surendra, Devi, Y. Bembem, Singh, M. Saratchandra
Published in Canadian journal of physics (01.08.2017)

by Singh, M. Saratchandra, Singh, S. Surendra
Published in New astronomy (01.10.2019)

Published in Turkish journal of physics (30.04.2018)