Nurhasanah, Nurhasanah, and Dyah Iriani. “Histochemical Test of Root, Petiole and Leaf of Kelembak (Rheum Officinale Baill.)”. Jurnal Biologi Tropis 21, no. 3 (September 16, 2021): 726–733. Accessed November 22, 2024. http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/2858.