Prayitno, T. A., R. Widyorini, and G. Lukmandaru. “Chemical Variation of Five Natural Extracts by Non-Polar Solvent”. Maderas. Ciencia y Tecnología 23 (January 1, 2021). Accessed July 22, 2024. https://revistas.ubiobio.cl/index.php/MCT/article/view/4321.