“Influence of Solvent Polarity on Color Intensity of Marigold Flower Extracts”. ALKIMIA : Jurnal Ilmu Kimia dan Terapan 10, no. 1 (February 28, 2026): 42–50. Accessed March 9, 2026. https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/30730.