SIHOMBING, A. T. M. .; SITORUS, R. .; SEMBIRING , H. N. . Implementation of Corporate Social Responsibility (CSR) Study at PT Kereta Api Indonesia (Persero) Regional Division I North Sumatera. Indonesian Journal of Interdisciplinary Research in Science and Technology, [S. l.], v. 2, n. 7, p. 1159–1178, 2024. DOI: 10.55927/marcopolo.v2i7.10619. Disponível em: https://journal.formosapublisher.org/index.php/marcopolo/article/view/10619. Acesso em: 7 may. 2026.