Muhammad, S., Zaman, K.- u z-., Simin, K., khan, M., & khan, S. (2001). ANTIMICROBIAL ACTIVITY AND PHYTOTOXICITY OF STEROLS FROM CHARA WALLICHII A. BR. (CHAROPHYTA). Biological Sciences - PJSIR, 44(5), 301–304. Retrieved from http://v2.pjsir.org/index.php/biological-sciences/article/view/1956