PAP, S. M. J. S. (1999) “Monitoring of forskolin production from roots and callus by HPTLC in Coleus forskohlii Briq”., Journal of Spices and Aromatic Crops, 8(2), pp. 153–157. Available at: https://updatepublishing.com/journal/index.php/josac/article/view/4667 (Accessed: 3 May 2024).