Optimization of Decision Variables (DV s ) in Products Mix of Foams Manufacturing Companies in Gombe State. Global Journal of Science Frontier Research, [S. l.], v. 20, n. I4, p. 21–30, 2020. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/2775. Acesso em: 15 aug. 2026.