Hutagaol, Kerlima, et al. “PENYEDIAAN LAHAN PARKIR TERHADAP DENSITY KAWASAN DI PONDOK INDAH MALL”. Journal of Innovation Research and Knowledge, vol. 5, no. 9, Feb. 2026, pp. 10289-96, https://mail.bajangjournal.com/index.php/JIRK/article/view/12334.