Alechenu B., AbdullahiB. M. and EmmanuelD. E. (2021) “COMPOSITION SERIES OF THE SOLVABLE ABELIAN FACTOR GROUP SOURCE OF EQUATION OF ALL POLYNOMIAL EQUATIONS”, FUDMA JOURNAL OF SCIENCES, 5(2), pp. 462 - 469. doi: 10.33003/fjs-2021-0502-458.