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- On Conformally Flat Almost Pseudo-Ricci Symmetric Spacetimes vol.51, pp.9, 2012, https://doi.org/10.1007/s10773-012-1164-0
- Weakly Z-symmetric manifolds vol.135, pp.1-2, 2012, https://doi.org/10.1007/s10474-011-0166-3
- CLASSES OF GRADIENT RICCI SOLITONS ON GENERALIZED POINCARÉ MANIFOLDS vol.09, pp.04, 2012, https://doi.org/10.1142/S0219887812500272
- On Almost Pseudo Conharmonically Symmetric Manifolds vol.54, pp.4, 2014, https://doi.org/10.5666/KMJ.2014.54.4.699
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