J. Hidayati, S. Sukardi, A. Suryani, A. M. Fauzi, and S. Sugiharto, “Palm Oil Plantation Revitalization Model for The Agroindustry Development”, Int. J. Adv. Sci. Eng. Inf. Technol., vol. 8, no. 2, pp. 588–595, Mar. 2018.