Tirla, Cornelia, Rachel B. Smith, Thomas Dooling, Nathaniel Kingsbury, Christopher McKee, Rebecca Panter, and Arieana Van Allen. 2017. “A Study of Alternative Catalysts and Analysis Methods for Biodiesel Production”. European Scientific Journal, ESJ 13 (10). https://doi.org/10.19044/esj.2017.v13n10p%p.