Y. J. P. . Phela, N. . Hasibuan, A. R. W. . Rohy, and M. A. . Manodohon, “Challenges of Educational Philosophy (Humanism, Idealism, Naturalism, Pragmatism, Materialism, Existentialism) and its Impact on PAK in the Era of Globalization”, FJMR, vol. 2, no. 5, pp. 809–820, May 2023.