“Development of Acne Patches Containing Citronella and Turmeric Oils: Physical Characterization and Antibacterial Activity” (2026) JPK : Jurnal Proteksi Kesehatan, 15(1), pp. 77–87. Available at: https://jurnal.pkr.ac.id/index.php/JPK/article/view/1393 (Accessed: 14 September 2026).