Darettamarlan, R.R. et al. 2023. The analyze of green space need in Surabaya City using Gerarkis Method for 2010–2020. Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management). 13, 2 (Jun. 2023), 341–346. DOI:https://doi.org/10.29244/jpsl.13.2.341-346.