Inyang, E. P., J. E. Ntibi, F. Ayedun, E. A. Ibanga, and E. S. William. 2021. “APPLICABILITY OF HULTHÉN-HELLMANN POTENTIAL TO PREDICT THE MASS-SPECTRA OF HEAVY MESONS VIA SERIES EXPANSION METHOD”. Nigerian Journal of Physics 30 (2):140-45. https://njp.nipngr.org/index.php/njp/article/view/105.