Lawbankhor, P., C. Ruksakulpiwat, and C. Ruangviriyachai. “Effect of jatropha curcas oil on properties of carbon black-filled styrene-butadiene rubber/natural rubber blends (Thai)”. Asia-Pacific Journal of Science and Technology, vol. 14, no. 11, Apr. 2017, pp. 1061-7, https://so01.tci-thaijo.org/index.php/APST/article/view/83596.