Winarti, R. Y., Siagian, Y. M., & Utha, M. A. (2023). The Challenge of Implementing Corporate Social Responsibility in Sustainability Certified Palm Oil Mills (Case Study PT X and PT Y). Devotion : Journal of Research and Community Service, 4(8), 1697–1711. https://doi.org/10.59188/devotion.v4i8.535