Gunawan, Alvin, and Bernadetta Dwi Suatmi. “Case Study of Biomass Stove: Effects of Product Quality and Service Quality on Customer Satisfaction”. International Journal of Social Science Research and Review 6, no. 9 (September 19, 2023): 200-211. Accessed July 22, 2024. https://ijssrr.com/journal/article/view/1579.