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Edi, H.; Barus, B.; Baskoro, D. P. T. Mapping of Peatland Subsidence in Peat Hydrology Unit Jangkang River – Liong River in Bengkalis Island: Pemetaan Subsiden Di Kesatuan Hidrologi Gambut Sungai Jangkang – Sungai Liong Pulau Bengkalis. J. Il. Tan. Lingk. 2019, 19, 13-18.