@article{articleb990214c,
title   = {Ethanol prices and agricultural commodities: an investigation of their relationship},
author = {David, Sérgio Adriani and Inacio Junior, Claudio Marcio Cassela and Machado, José Antonio Tenreiro},
year = {2019},
doi = {10.3390/math7090774},
journal   = {Mathematics}
}