Abas, Muhamad Azahar, Ta Wee Seow, Sulzakimin Mohamed, and Indera Syahrul Mat Radzuan. 2021. “Hawker’s Community Awareness and Knowledge towards Sustainable Solid Waste Management in Georgetown, Penang, Malaysia”. International Journal of Real Estate Studies 15 (S1):1-6. https://doi.org/10.11113/intrest.v15nS1.110.