Ogiugo M. E., Omikunle O.Y., Enobabor E.O., and Olusan B.O. “THE NUMBER OF SUBGROUP CHAINS OF NON-ABELIAN GROUP ???????? × ???????? , P IS ANY PRIME”. Journal of Science, Engineering and Technology YABATECH 2, no. 1 (October 19, 2023). Accessed November 21, 2025. https://josetyabatech.com/index.php/home/article/view/19.