E. Santosa, I. M. Stefano, A. G. Gani Tarigan, A. Wachjar, S. Zaman, and and H. Agusta, “Tree-based Water Footprint Assessment on Established Oil Palm Plantation in North Sumatera, Indonesia”, J. Agron. Indonesia (Indonesian J. Agron.), vol. 46, no. 1, pp. 111–118, Apr. 2018, doi: 10.24831/jai.v46i1.13665.