JANARDAN , Behera. Optimal State Dependent Dual Sourcing Policies In Queueing Inventory Systems with General Lead Times and Cost Optimization. Optimality, [S. l.], v. 3, n. 1, 2026. DOI: 10.22105/opt.v3i1.110. Disponível em: https://www.opt.reapress.com/journal/article/view/110.. Acesso em: 30 may. 2026.