Analysis of rainwater harvesting for toilet and landscaping needs of building B, Nusa Putra UniversityMaryam Nur Badriyyah, Novi Adistya, Salsa Dwi Sagita, Utamy Sukmayu Saputri, Nita Kurnita Sari and Sofa Lailatul MarifahBIO Web Conf., 148 (2024) 02031DOI: https://doi.org/10.1051/bioconf/202414802031