Tiwari, R.K., Alfedeel, A.H.A., Sofuoğlu, D., Abebe, A., Hassan, E.I., Shukla, B.K. A Cosmological model with time dependent Λ, G and viscous fluid in general relativity, Frontiers in Astronomy and Space Sciences, 9, art. no. 965652.
Tiwari, R.K., Alfedeel, A.H.A., Sofuoğlu, D., Abebe, A., Hassan, E.I., Shukla, B.K. A Cosmological model with time dependent Λ, G and viscous fluid in general relativity, Frontiers in Astronomy and Space Sciences, 9, art. no. 965652.