Đokić-Stojanović, Dušica R., et al. “Triethanolamine As an Efficient Cosolvent for Biodiesel Production by CaO-Catalyzed Sunflower Oil Ethanolysis: An Optimization Study”. HEMIJSKA INDUSTRIJA (Chemical Industry), vol. 73, no. 6, Dec. 2019, pp. 351-62, https://doi.org/10.2298/HEMIND190822033D.