L. T. Correia, I. W. Suarna, N. N. Suryani, and I. G. L. O. Cakra, “Effect of different dosage and application frequency of liquid organic fertilizer in dwarf elephant grass (Pennisetum purpureum cv Mott) to ecological characteristic of vertisol soil in Timor Leste”, Int. J. of Life Sci., vol. 5, no. 2, pp. 118–124, Aug. 2021.