Aishah Mohamad Kassim. “PELESTARIAN BAHASA MELAYU SEBAGAI BAHASA IBUNDA DI SINGAPURA: PRESERVING THE MALAY LANGUAGE AS A MOTHER TONGUE IN SINGAPORE”. Jurnal Pengajian Melayu (JOMAS), vol. 32, no. 2, Oct. 2021, pp. 39-56, https://mjlis.um.edu.my/index.php/JPM/article/view/33180.