Ngernyen, Y., Phiewruangnont, W., Mahantadsanapong, N., Patawat, C., Silakate, K., Chuan-Udom, S. and J. Hunt, A. 2020. Low cost activated carbon prepared from Dipterocarpus alatus fruit. VNUHCM Journal of Engineering and Technology. 3, SI3 (Dec. 2020), SI75-SI80. DOI:https://doi.org/https://doi.org/10.32508/stdjet.v3iSI3.641.