Syahri J, Rullah K, Siregar SH. BIOAKTIVITAS EKSTRAK KULIT BATANG TUMBUHAN LANGKA MERANTI LILIN: (SHOREA TEYSMANIANA DIER). Photon [Internet]. 2012Oct.30 [cited 2026May7];3(1):1-5. Available from: https://ejurnal.umri.ac.id/index.php/photon/article/view/142