Abas, M. A., Seow, T. W., Mohamed, S., & Mat Radzuan, I. S. (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