Syed Abdullah, S. F., M. D. . Muhamad, N. . Jaapar, and A. . Bhari. “‘Urf in Traditional Islamic Built Environment Practices”. Environment-Behaviour Proceedings Journal, vol. 6, no. SI6, Oct. 2021, pp. 19-23, doi:10.21834/ebpj.v6iSI6.3033.