Arifin, S. et al. 2017. The Relationship of Dissolved Organic Carbon with Soil Properties on Toposequence in the Bukit Duabelas National Park: Hubungan Karbon Organik Terlarut dengan Sifat Tanah pada Toposekuen di Taman Nasional Bukit Duabelas. Jurnal Ilmu Tanah dan Lingkungan. 19, 2 (Oct. 2017), 51–59. DOI:https://doi.org/10.29244/jitl.19.2.51-59.