Ibrahim, Medhat, Hanan ElHaes, Ali Jameel Hameed, and Ali Hashem Essa. 2008. “Spectroscopic Analysis of C80 Doping With Group III and Group V Elements Using Semiempirical PM3 Molecular Modelling Technique”. Eclética Química 33 (1):21-27. https://doi.org/10.26850/1678-4618eqj.v33.1.2008.p21-27.