Astuti, Yeni, Achmad Husen, Dian Alfia Purwandari, Akhmad Qosasih, and Danang Pratomo. 2025. “Implementation of Iso 14001-Based Environmental Management System in Cleanliness and Garden Maintenance at the Jakarta Presidential Palace”. Jurnal Indonesia Sosial Teknologi 6 (7):1397-1402. https://doi.org/10.59141/jist.v6i7.9084.