Application of FTIR fingerprints coupled with chemometric for comparison of stingless bee propolis from different extraction methods. Mal. J. Fund. Appl. Sci. [Internet]. 2019 May 15 [cited 2026 Sep. 21];15(2-1):350-5. Available from: https://mjfas.utm.my/index.php/mjfas/article/view/1553