Sajap, S., Mohammed Ali, N.A. and Zhang, H. 2022. Understanding Behaviour and Preference: A Study on Designing Litter Prevention Outdoor Signage. KUPAS SENI: Jurnal Seni dan Pendidikan Seni. 10, 1 (Jun. 2022), 50–58. DOI:https://doi.org/10.37134/kupasseni.vol10.1.6.2022.