Mohd Nor, M. H., and I. S. Mohd Ariff Albakri. “Kesilapan Penggunaan Kata Adjektif Bahasa Sepanyol Dalam Penulisan Karangan Pelajar Melayu Di Universiti: The Error in the Usage of Spanish Adjectives in Writing Essays Among Malay Students in a University”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan, vol. 9, no. 2, Nov. 2017, pp. 9-24, https://ejournal.upsi.edu.my/index.php/PERS/article/view/1756.