Sudjatmiarsih, Sekar Aini. “Social and Environmental Responsibility by Limited Liability Companies Regarding Corpoorate Social Responsibility (Csr) (Study: On PT. Mitra Karya Tri Utama (Sampoerna))”. Proceedings Series on Social Sciences & Humanities, vol. 14, Nov. 2023, pp. 421-4, https://conferenceproceedings.ump.ac.id/pssh/article/view/1081.