budijono budijono, Hadi S, Mulyadi A, Putra RM, Rahayu EP, Sumiarsih E, et al. Multidisciplinary Evaluation of the Impact of Sand and Stone Mining on Water Quality and the Kampar River Ecosystem. FUSION [Internet]. 2025 Dec. 30 [cited 2026 Feb. 8];2(1):289-300. Available from: https://conference.ut.ac.id/index.php/fusion/article/view/6832