Nazir, M., Ahmad, W. and Kreiser, W. (1998) “?ISOLATIONANDNMR-ASSIGNMENTS OF 19aH-LuPEOL FROME. HELIOSCOPIA LINN (N.O. EUPHORBIACEAE)”, Biological Sciences - PJSIR, 41(1), pp. 6–10. Available at: https://v2.pjsir.org/index.php/biological-sciences/article/view/2219 (Accessed: 24 November 2024).