ZUHRI, Syaifuddin. Optimization on Space Utilization in Penjaringansari Flats Surabaya. Nusantara Science and Technology Proceedings, Malang, Indonesia, p. 305–315, 2018. Disponível em: https://nstproceeding.com/index.php/nuscientech/article/view/51. Acesso em: 1 aug. 2025.