Darawan Phothikhruprasert, Sumaman Pankham, and Somchai Lekcharoen, “A Decision-Oriented 5C1S Digital Marketing Mix Strategy for the Real Estate Sector: A Fuzzy Set e-Delphi Approach”, Decis. Mak. Appl. Manag. Eng., vol. 9, no. 1, Jun. 2026.