JULIANA, J.; PRAMEZWARY, A.; NUKAK, N. A. .; SITUMORANG, J. M. H. Using Contribution of Menu Engineering in Upscale Restaurants to Enhance Sales Volume. International Journal of Social and Management Studies, [S. l.], v. 2, n. 4, p. 1–12, 2021. DOI: 10.5555/ijosmas.v2i4.45. Disponível em: https://www.ijosmas.org/index.php/ijosmas/article/view/45. Acesso em: 6 may. 2025.