Nur Hidayat, S., and E. Setyaningsih. “Sweet Wooden Stem Leather (Cinnamomum Burmanii) Assessed From Effective Extraction and Dosage Methods For Diabetes (Literature Review)”. Symbiotic: Journal of Biological Education and Science, Vol. 2, no. 2, Oct. 2021, pp. 40-54, doi:10.32939/symbiotic.v2i2.19.