Damayanthi, Ni Wayan Rita, et al. “Pengelompokan Provinsi Di Indonesia Menurut Indikator Indeks Kebahagiaan Menggunakan Metode Average Linkage ”. Innovative: Journal Of Social Science Research, vol. 3, no. 4, Sept. 2023, pp. 8859-72, https://j-innovative.org/index.php/Innovative/article/view/4665.