“?ELEMENTAL ANALYSIS OF CALENDULA OFFICINALIS PLANT AND ITS PROBABLE THERAPEUTIC ROLE IN HEALTH” (2003) Biological Sciences - PJSIR, 46(4), pp. 283–287. Available at: http://www.v2.pjsir.org/index.php/biological-sciences/article/view/1651 (Accessed: 25 April 2026).