Widyastuti, Tri. “The Phenomenon of Kampung in Surabaya in Defensible Space Perspective: Case Study on Kampung Tambaksari Surabaya”. Jurnal Sosial Humaniora, vol. 16, no. 1, Maret 2025, hlm. 78-85, https://journal.its.ac.id/index.php/jsh/article/view/2769.