M. H. Wal’Azra and Y. P. Utomo, “Analysis of the Effect of Infrastructure and the Tourism Sector on Gross Regional Domestic Product (GRDP) Per Capita in Regencies/Cities of East Nusa Tenggara Province During 2020–2023”, IIJSE, vol. 9, no. 2, pp. 17476-17490, Aug. 2026.