Kusumowidagdo, Astrid, and Dyah Kusuma Wardhani. “The Negative Aspects of Ampel Corridor Environment As A Historical Commercial Site”. Humaniora 8, no. 4 (December 13, 2017): 319-327. Accessed February 22, 2025. https://journal.binus.ac.id/index.php/Humaniora/article/view/4006.