Kusuma, A.M.I.W. et al. 2026. Paying More for Green Bali: A Willingness to Pay Premium Model for Bottled Water Products. International Journal of Environmental, Sustainability, and Social Science (IJESSS). 7, 4 (Jul. 2026), 942–955. DOI:https://doi.org/10.38142/ijesss.v7i4.1967.