CANDRA, C. S.; ADRIAN, J.; LIM, V. C. Indonesian Trade Deficit with China: Background and Grey Forecasting. International Journal of Grey Systems, [S. l.], v. 1, n. 2, p. 33–46, 2021. DOI: 10.52812/ijgs.15. Disponível em: https://publish.thescienceinsight.com/index.php/ijgs/article/view/15. Acesso em: 16 sep. 2024.