Total Phenolic Content and Antioxidant Activity Test of Matoa Stem Bark Extract (Pometia pinnata J.R.Forst. & G. Forst) with DPPH. (2026). JPK : Jurnal Proteksi Kesehatan, 14(2), 103-111. https://jurnal.pkr.ac.id/index.php/JPK/article/view/1245