Hidayah, Muhamad Aditya, and Retno Aliyatul Fikroh. “Potential Analysis of Boat Lily Leaf Extract (Rhoeo Spathaceae (Sw.) Stearn) As an Alternative Indicator in Acid-Base Titration of Acid-Base Learning”. Jurnal Penelitian Pendidikan IPA 9, no. 9 (September 25, 2023): 7491–7502. Accessed September 8, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/3306.