[1]
S. D. Wijayanto, N. Nazaruddin, and M. T. Sembiring, “A Circular Economy-Based Strategy for the Development of Biochar from Oil Palm Empty Fruit Bunches to Increase Added Value at PT Perkebunan Nusantara IV”, jrssem, vol. 5, no. 12, pp. 12870–12890, Jul. 2026.