Analysis of Soil Absorption Capacity of Rainwater in Biopori Infiltration Holes in Purwoyoso Village Semarang CityAgus Sumartono, Jafron Wasiq Hidayat and Rully RahadianE3S Web Conf., 448 (2023) 03030DOI: https://doi.org/10.1051/e3sconf/202344803030