Vargas, P.F., Zecchini, A.C., Soares, R.S., Duarte, L. dos S. and Silva, E.H.C. 2018. Performance of crispy lettuce cultivars in different soil covers. Comunicata Scientiae. 8, 4 (Apr. 2018), 514–520. DOI:https://doi.org/10.14295/cs.v8i4.1942.