Nur Aeni, et al. “Characteristics of the Structure of Abelian Groups of Order (p^n) via Invariant Factors and Elementary Divisors”. Jurnal MSA ( Matematika Dan Statistika Serta Aplikasinya), vol. 14, no. 1, June 2026, pp. 140-7, doi:10.24252/msa.v14i2.70159.