Ahmad, Shahna, Shamim Qureshi, Atiq-ur- Rehman, Zakir-ur- Rehman, and Yasmeen Badar. 2000. “?ANTIPYRETIC AND ANALGESIC ACTIVITY IN CRUDE ETHANOLIC EXTRACT OF CALENDULA OFFICINALIS LINN”. Biological Sciences - PJSIR 43 (1):50-54. http://v2.pjsir.org/index.php/biological-sciences/article/view/1993.