DR. DEBASIS DAS; DOI: 10.48047/JOCAAA.2024.04.30.56. Two level production inventory model for a deteriorating item with preservation technology using time varying demand under permissible delay in payment. Journal of Computational Analysis and Applications (JoCAAA), [S. l.], v. 33, n. 2, p. 1482–1501, 2024. Disponível em: https://eudoxuspress.com/index.php/pub/article/view/2934. Acesso em: 20 oct. 2026.