Lenni, Lenni, Herry Suhardiyanto, SeminarKudang B., and SetiawanRadite P. A. 2020. “Photosynthetic Rate of Lettuce Cultivated on Floating Raft Hydroponic With Controlled Nutrient Solution”. HAYATI Journal of Biosciences 27 (1), 31. https://doi.org/10.4308/hjb.27.1.31.