A. Martins, T. Mata, O. Oliveira, S. Oliveira, A. Mendes, and N. Caetano, “Sustainability Evaluation of Biodiesel from Arthrospira platensis and Chlorella vulgaris under Mixotrophic Conditions and Salinity Stress”, Chemical Engineering Transactions, vol. 49, pp. 571-576, May 2016.