Nugroho Widiasmadi (2020) “Andosol Land Recovery Through Microbial Activity Simulation Towards Infiltration Level & EC Soil With Biosoildam Technology For Coffee Plantation”, PalArch’s Journal of Archaeology of Egypt / Egyptology, 17(6), pp. 8374–8384. Available at: https://archives.palarch.nl/index.php/jae/article/view/2253 (Accessed: 8 December 2025).