CHE NGAH, Mohamad Suhaily Yusri; SALEH, Yazid; HASHIM, Mohmadisa; NAYAN, Nasir; IBRAHIM, Haryati. Penggunaan Sumber Air Bersih dalamPerkhidmatan Mencuci Kereta di Tanjong Malim,Perak dan Hulu Bernam, Selangor: Clean Water Usage in Car Wash Services in Tanjong Malim,Perak and Hulu Bernam, Selangor. Perspektif Jurnal Sains Sosial dan Kemanusiaan, [S. l.], v. 3, n. 2, p. 75–85, 2011. Disponível em: https://ejournal.upsi.edu.my/index.php/PERS/article/view/1601. Acesso em: 13 may. 2025.