El-Mesmari, S. E. M., Khalaf, H. A. and Ibraheim A. , E.-S. (2010) “Adsorption Kinetic study of methylene blue onto carbon from olive stones activated by phosphoric acid”, Al-Mukhtar Journal of Sciences. Al Bayda, Libya, 25(1), pp. 135–144. doi: 10.54172/mjsc.v25i1.785.