GULERIA, B., MANAV, A., & INDRAYAN, A. (2010). Isolation and Extraction of Medicinally Useful Dye from the Heartwood of Caesalpinill sappan Linn. using Different Solvents. Asian Journal of Chemistry, 9(4), 816–818. Retrieved from https://asianpubs.org/index.php/ajchem/article/view/23970