Piralada Bunnag. 2000. Removal of arsenic from water by freshwater algae. Faculty of Graduate Studies, Mahidol University;
Piralada Bunnag. (2000) Removal of arsenic from water by freshwater algae . Mahidol University/Bangkok.
Piralada Bunnag. Removal of arsenic from water by freshwater algae. . Bangkok:Mahidol University, 2000.
Piralada Bunnag. (2000) Removal of arsenic from water by freshwater algae . Mahidol University/Bangkok.