Nurmala, Hadiarti D, Fitriani. Effectiveness of STEM Project Using Caesalpinia sappan L. Natural ‎Dye to Enhance High School Students’ Chemical Literacy and Food ‎Safety Awareness. isej [Internet]. 2026Sep.30 [cited 2026Nov.8];7(3):-. Available from: https://siducat.org/index.php/isej/article/view/2768