I Kadek Merta Wijaya, Syamsul Alam Paturusi ,Ngakan Ketut Acwin Dwijendra, I Made Adhika, “The Effect of Topography on Settlement Patterns in The Nusa Penida Island, Bali, Indonesia”, IJMA, vol. 10, no. 2, pp. 3442 - 3450, May 2021.