Low cost activated carbon prepared from Dipterocarpus alatus fruit - Ngernyen, Yuvarat; Phiewruangnont, Werawit; Mahantadsanapong, Narathorn; Patawat, Chantakorn; Silakate, Ketsara; Chuan-Udom, Somchai; J. Hunt, Andrew (VNUHCM Journal of Engineering and Technology, 2020)