Wali*, Sher, Yaseen, Tabassum, Muhammad Saleem Khan, Samin Jan, Izhar Ahmad,, AND Noman, Fazli Rahim,. " Diversity of freshwater algae in some selected sites in river Naguman district Charsadda, Khyber Pakhtunkhwa, Pakistan" Pure and Applied Biology (PAB) [Online], Volume 6 Number 1 (10 March 2017)