Phumichai, T., Sungsing, K., Riyapan, J. and Phumichai, C. 2015. Chemical and Mechanical Properties in Hevea brasiliensis. Thai Agricultural Research Journal. 33, 2 (Aug. 2015), 144–158. DOI:https://doi.org/10.14456/thaidoa-agres.2015.7.