Ahmed, Shahnaz, Atiq-ur Rahman, M Qadiruddin, and Shamim Qureshi. “?ELEMENTAL ANALYSIS OF CALENDULA OFFICINALIS PLANT AND ITS PROBABLE THERAPEUTIC ROLE IN HEALTH”. Biological Sciences - PJSIR 46, no. 4 (August 25, 2003): 283–287. Accessed May 17, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/1651.