Ribeiro, A. A., Simeão, M., & Santos, D. P. (2015). LETTUCE GROWN GROWTH IN NUTRIENT SOLUTION WITH DIFFERENT CONCENTRATIONS OF CALCIUM. Revista Brasileira De Engenharia De Biossistemas, 9(4), 298–303. https://doi.org/10.18011/bioeng2015v9n4p298-303