“Antioxidant Activity and Tyrosinas Enzyme Inhibition of Arabica Coffea Leaf Extract (Coffea Arabica L.)”. Jurnal Medical Laboratory 5, no. 1 (January 31, 2026): 300–311. Accessed October 20, 2026. https://ejournal.stikeskesosi.ac.id/index.php/Medlab/article/view/461.