Abdulali Ben Saleh and Mohamed Abudabbus, Removal of Methylene Blue Dye Using Roselle Petals from Aqueous Solutions. journal = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology. June 2013, vol. 78(6). 340 - 343 [viewed 21 September 2024]. Available from: https://publications.waset.org/pdf/7609.