Parga-Prieto, A.T. and Aranda-Pinilla, J.A. 2018. Inventory policies for demands with trend and randomness. Lubricants marketing case. INVENTUM. 13, 24 (Apr. 2018), 50–57. DOI:https://doi.org/10.26620/uniminuto.inventum.13.24.2018.50-57.