Indriati I, Jalung F, Pane HW. Determination of calcium and potassium levels in broccoli (Brassica Oleracea.L) fresh and boiled by atomic absorption spectrophotometry. journal-jps.com [Internet]. 30Dec.2021 [cited 17Oct.2024];4(2):122-8. Available from: https://journal-jps.com/index.php/jps/article/view/170