ASTANA, I. G. M. O. Strategies to Create Competitive Advantage Through Promotions at Samana Resto Villa and Catering. International Journal of Social Science and Business, [S. l.], v. 5, n. 2, p. 242–248, 2021. DOI: 10.23887/ijssb.v5i2.33310. Disponível em: https://ejournal.undiksha.ac.id/index.php/IJSSB/article/view/33310. Acesso em: 2 may. 2024.