Assessing compliance with environmental regulations: A case study of fines imposed on companies in the Citarum River Basin, IndonesiaMiranti Mayangsari, Anindrya Nastiti, Mariana Marselina, Nadia Astriani and Andri Gunawan WibisanaE3S Web of Conf., 485 (2024) 03002DOI: https://doi.org/10.1051/e3sconf/202448503002