HSIAO, W.-F. .; TSAI, W.; WANG, C.-H. Effect of return rate on optimal order quantity for single-period products: a modified newsboy problem approach. International Journal of Industrial Optimization, [S. l.], v. 7, n. 1, p. 1–14, 2026. DOI: 10.12928/ijio.v7i1.11340. Disponível em: http://journal2.uad.ac.id/index.php/ijio/article/view/11340. Acesso em: 27 feb. 2026.