Trong Bien, Tran, AND 		Van Han, Nguyen.
" A Simplified Method for Simultaneous Extraction and Purification of Stevioside and Rebaudioside A from Stevia Rebaudiana Bert. Applying in Pharmaceutical" <em>VNU Journal of Science: Medical and Pharmaceutical Sciences</em> [Online], Volume 38 Number 3 (23 September 2022)