Specific heat, entropy and magnetic properties of high Tc superconductivity within the planar t−t′−J−V modelKrishanu Roy, Srijani Ghosh, Subhadip Nath and Nanda Kumar GhoshEur. Phys. J. B, 92 12 (2019) 270DOI: https://doi.org/10.1140/epjb/e2019-100303-5