Poon, J.J. , Tan, M.C. and Geow, C.H. 2020. Effects of Osmotic Dehydrated and Ultrasound Pre-Treated Orange Peel on Dye Removal. International Journal of Chemical and Process Engineering Research. 7, 1 (Apr. 2020), 1–11. DOI:https://doi.org/10.18488/journal.65.2020.71.1.11.