Wahyuningsih, Etik, Isnaeni Isnaeni, Asri Darmawati, and Annisa Kartika Sari. “Identification of Paracetamol and Caffeine in Jamu Powders Simultaneously Using TLC-Densitometry”. Berkala Ilmiah Kimia Farmasi 10, no. 1 (June 30, 2023): 17–21. Accessed December 28, 2024. https://e-journal.unair.ac.id/BIKFAR/article/view/44242.