SUBHASH KUMAR; ASHOK KUMAR; MADHU JAIN. Learning effect on an optimal policy for mathematical inventory model for decaying items under preservation technology with the environment of COVID-19 pandemic. Malaya Journal of Matematik, India, v. 8, n. 04, p. 1694–1702, 2020. DOI: 10.26637/MJM0804/0063. Disponível em: https://www.malayajournal.org/index.php/mjm/article/view/1727. Acesso em: 16 jul. 2024.