Wijayanti, N. P. A. D., 		Dewi, L.P.M.K., AND 		Astuti, K.W..
" Validation of Method for Determining Alpha- Mangostin Level of Ethyl Acetate Extract of Mangosteen Rind Using TLCSpectrodensitometry" <em>Journal of Health Sciences and Medicine</em> [Online], Volume 1 Number 1 (1 February 2017)