BELGIBAYEVA, A. S.; KOZBAKAROVA, S. M.; ASHIM, B. M.; ONGARBAYEV, Y. K.; FARRELL, S. A comparative analysis of biodiesels produced from vegetable oils and their waste. International Journal of Biology and Chemistry, [S. l.], v. 5, n. 1, p. 81–85, 2013. Disponível em: https://ijbch.kaznu.kz/index.php/kaznu/article/view/85. Acesso em: 28 apr. 2024.