1.
Ulfa M, Bejo Slamet, Masrizal Saraan, Harry Kurniawan. Correlation Between Community Knowledge Level of River Ecosystem Services and Littering Behavior in Belawan Hilir Sub-watershed. J. Sylva Indonesiana [Internet]. 2022 Aug. 31 [cited 2025 Dec. 18];5(02):169-78. Available from: https://idjpcr.usu.ac.id/Jsi/article/view/9421