Siripen Traichaiyaporn และ Taweesak Khuantrairong. (2012) Enhancement of carotenoid and chlorophyll content of an edible freshwater alga (Kai: Cladophora sp.) by supplementary inorganic phosphate and investigation of its biomass production. <i>Maejo International Journal of Science and Technology</i>, <i>6</i>(1), 1.Siripen Traichaiyaporn และ Taweesak Khuantrairong. "Enhancement of carotenoid and chlorophyll content of an edible freshwater alga (Kai: Cladophora sp.) by supplementary inorganic phosphate and investigation of its biomass production". Maejo International Journal of Science and Technology 6 (2012):1.Siripen Traichaiyaporn และ Taweesak Khuantrairong. Enhancement of carotenoid and chlorophyll content of an edible freshwater alga (Kai: Cladophora sp.) by supplementary inorganic phosphate and investigation of its biomass production. Maejo University:ม.ป.ท. 2012.