Radika Samanthi Malawwathanthri และ Sudsaisin Kaewrueng. (2014) Comparison of hydroponic solutions for growing lettuce in nutrient film techique (NFT) system. Kasetsart University:ม.ป.ท.Radika Samanthi Malawwathanthri และ Sudsaisin Kaewrueng. 2014. Comparison of hydroponic solutions for growing lettuce in nutrient film techique (NFT) system. ม.ป.ท.:Kasetsart University;Radika Samanthi Malawwathanthri และ Sudsaisin Kaewrueng. Comparison of hydroponic solutions for growing lettuce in nutrient film techique (NFT) system. ม.ป.ท.:Kasetsart University, 2014. Print.