A. Desi, E. Jumilawaty, and S. Lhota, “Fisher-Assisted Records of Silvery Langurs (Trachypithecus cristatus) in an Urban Mangrove Fragment, Medan Labuhan, North Sumatra”, J. Sylva Indonesiana, vol. 9, no. 02, pp. 256–262, Aug. 2026.