Naila Abia Kurnia Putri and Hikmah Hikmah 2026. The Influence of Electronic Word of Mouth, Product Quality, and Promotion on the Decision to Purchase Casablanca Deodorant in Batam. International Journal of Economics and Management Research. 5, 1 (Jan. 2026), 662–671. DOI:https://doi.org/10.55606/ijemr.v5i1.734.