• slot gacor 2024slot danatogelmarket1slot danasigma168
  • [1]
    H. . Javadi, F. . Forouzbakhsh, and A. . Jahanshir, “Definition of singularity due to Newton’s second law counteracting gravity”, Sci. J. Pure Appl. Sci., vol. 2, no. 3, pp. 116-124, Mar. 2013.