PUTRI, Chairani; ZULFARINA; DARMAWATI. ANTIBACTERIAL ACTIVITY TEST OF THE COMBINATION OF MANGOSTEEN (Garcinia mangostana L.) PERICARP EXTRACT AND CIPLUKAN (Physalis angulata L.) LEAF EXTRACT AGAINST Propionibacterium acnes AS A POSTER DESIGN FOR BIOLOGICAL TECHNOLOGY INNOVATION MATERIALS FOR GRADE X SMA. Algebra : Jurnal Pendidikan, Sosial dan Sains, [S. l.], v. 6, n. 2, p. 338–347, 2026. DOI: 10.58432/sybgy165. Disponível em: https://algebra.yana.or.id/index.php/ejournal/article/view/85. Acesso em: 6 jun. 2026.