Gulo, T., I. Harefa, N. Bu’ulolo, and S. Zebua. “Analysis Of Regional Tax Potential As A Source Of Regional Original Income In West Nias Regency”. Jurnal Fokus Manajemen, Vol. 6, no. 1, Feb. 2026, pp. 91-04, doi:10.37676/jfm.v6i1.9880.