“Diatomic Molecules and Mass Spectrum of Heavy Quarkonium System With Kratzer- Screened Coulomb Potential (KSCP) through the Solutions of the Schrödinger Equation”. European Journal of Applied Physics, vol. 3, no. 2, Apr. 2021, pp. 48-55, https://doi.org/10.24018/ejphysics.2021.3.2.61.