Mardiatmi, Anastasia Bernadin Dwi Mardiatmi, et al. “Green Marketing Mix As a Competitive Advantage Strategy in Improving the Marketing Performance of MSMEs in Indonesia”. Sosio E-Kons, vol. 18, no. 2, Aug. 2026, pp. 206-29, https://doi.org/10.30998/sosioekons.v18i2.4357.