“Poriferasta-5,22E,25-Trien-3β-ol,22-Dehidrokolesterol Dari Daun Kalanchoe Serrata (Crassulaceae)”. Jurnal Kimia Valensi 3, no. 1 (May 25, 2013). Accessed October 27, 2025. https://journal.uinjkt.ac.id/valensi/article/view/324.