Travieso, L.L., Leon, A.P., Logegaray, V.R., Frezza, D. and Chiesa, A. 2016. Loose Leaf Lettuce Quality Grown in Two Production Systems. European Scientific Journal, ESJ. 12, 30 (Oct. 2016), 55. DOI:https://doi.org/10.19044/esj.2016.v12n30p55.