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- Conformally Flat Almost Kenmotsu 3-Manifolds vol.14, pp.5, 2017, https://doi.org/10.1007/s00009-017-0984-9
- CONFORMALLY FLAT NORMAL ALMOST CONTACT 3-MANIFOLDS vol.38, pp.1, 2016, https://doi.org/10.5831/HMJ.2016.38.1.59