Asnawi, A., Nawawi, A., Kartasasmita, R.E. and Ibrahim, S. 2013. Demethylation of Quinine Using Anhydrous Aluminium Trichloride. Journal of Mathematical and Fundamental Sciences. 43, 1 (Jul. 2013), 43-50. DOI:https://doi.org/10.5614/itbj.sci.2011.43.1.4.