SantosaE., StefanoI.M., Gani TariganA.G., WachjarA., ZamanS. and Agusta and H. 2018. Tree-based Water Footprint Assessment on Established Oil Palm Plantation in North Sumatera, Indonesia. Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy). 46, 1 (Apr. 2018), 111-118. DOI:https://doi.org/10.24831/jai.v46i1.13665.