Gunggut, Haijon, Chua Kim Hing, and Dg Siti Noor Saufidah Ag Mohd Saufi. “When Doing Is Believing: Internalizing the Anti-Litterbugs Campaign”. Journal of ASIAN Behavioural Studies 3, no. 9 (July 20, 2018): 179–185. Accessed April 26, 2024. https://jabs.e-iph.co.uk/index.php/jABs/article/view/50.