HADI, N. H.; HUSIN, M. R.; SLANJAT, E. M.; HUSSIN, S. W.; JA’AFAR, N.; LEONARD, V. S.; RICHARD, J. S.; EDWIN, S. Introvert Students in a School. Journal of Humanities and Social Sciences (JHASS), v. 1, n. 1, p. 1-14, 27 Dec. 2019.