SOKMA ABDULLAH. Nota Penyelidikan/ Research Notes. Kajian Malaysia, [S. l.], v. 9, n. 1, p. 124–149, 1991. DOI: 10.21315/. Disponível em: https://ejournal.usm.my/km/article/view/km_vol9-no-1-1991_5.. Acesso em: 1 oct. 2026.