Chokchai Kittiwongwattana และ Supachai Vuttipongchaikij. (2013) Effects of nutrient media on vegetative growth of Lemna minor and Landoltia punctata during in vitro and ex vitro cultivation. <i>Maejo International Journal of Science and Technology</i>, <i>7</i>(1), 60.Chokchai Kittiwongwattana และ Supachai Vuttipongchaikij. "Effects of nutrient media on vegetative growth of Lemna minor and Landoltia punctata during in vitro and ex vitro cultivation". Maejo International Journal of Science and Technology 7 (2013):60.Chokchai Kittiwongwattana และ Supachai Vuttipongchaikij. Effects of nutrient media on vegetative growth of Lemna minor and Landoltia punctata during in vitro and ex vitro cultivation. Maejo University:ม.ป.ท. 2013.