“FRESH WATER ALGAE OF SINDH-IV AN ECOLOGICAL SURVEY OF PHYTO PLANK??? (OSCILLA TORIACEAE) OF PHOOSNA LAKE, DISTRICT BADIN SINDH PAKISTAN ”. 1997. Sindh University Research Journal - SURJ (Science Series) 29 (2). https://sujo.usindh.edu.pk/index.php/SURJ/article/view/7446.