T. A. Prayitno, R. Widyorini, and G. Lukmandaru, “Chemical variation of five natural extracts by non-polar solvent”, Maderas-Cienc Tecnol, vol. 23, pp. 1–12, Nov. 2020, Accessed: Nov. 08, 2026. [Online]. Available: https://revistas.ubiobio.cl/index.php/MCT/article/view/4321