An analytical approach to the mass spectrum of heavy tetraquarks in dimeson modelNahid Amiri, S. Mohammad Moosavi Nejad, A. Armat and Mansour FarhadiEur. Phys. J. Plus, 137 4 (2022) 498DOI: https://doi.org/10.1140/epjp/s13360-022-02658-y