Nuranisa, Siti, Cyntia Lestari, Hizqil Muhammad Faqih, Reza Akbar Syah, and Gilang Ardi Pratama. 2026. “Implementasi Sirkular Ekonomi Layanan Operasional Perkereta Apian: Faktor Sukses Dan Hambatan”. RIGGS: Journal of Artificial Intelligence and Digital Business 5 (1):2582-89. https://doi.org/10.31004/riggs.v5i1.5382.