D.C, A., A. S.O, A. G.N, and E. F.N. “DEVELOPMENT OF A MACHINE LEARNING ALGORITHM TO PREDICT AUTHOR’S AGE FROM TEXT”. International Journal of Research -GRANTHAALAYAH, vol. 7, no. 10, Oct. 2019, pp. 380-9, doi:10.29121/granthaalayah.v7.i10.2019.408.