“Determination of Nitrite Levels in Boiled White and Purple Cabbage Based on Boiling Time Variations”. ALKIMIA : Jurnal Ilmu Kimia dan Terapan 10, no. 1 (February 28, 2026): 58–63. Accessed March 29, 2026. https://jurnal.radenfatah.ac.id/index.php/alkimia/article/view/30329.