Pongpinyopap, S., Saibuatrong, W., Mungkalasiria, J., Wisansuwannakorn, R., Mungcharoen, T. and Srinophkun, T.R. 2014. Water Footprint Assessment of Palm Oil Biodiesel Production in Southern part of Thailand. Environment and Natural Resources Journal. 12, 2 (Dec. 2014), 42–46.