“Penetapan kadar kalsium dan kalium dalam brokoli (Brassica Oleracea.L) segar dan direbus secara spektrofotometri serapan atom”. Journal of Pharmaceutical and Sciences 4, no. 2 (Desember 30, 2021): 122–128. Diakses Oktober 21, 2026. https://journal-jps.com/new/index.php/jps/article/view/2050.