P.K. LAKSHMIDEVI. An inventory model with discount for imperfect items and purchasing price dependent demand. Malaya Journal of Matematik, India, v. 9, n. 01, p. 814–816, 2021. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1163. Acesso em: 22 nov. 2024.