Herrera, M.; Medina, Y.; Guerra, W.; Sarduy, L.; García Hernández, Y.; Torres, V.; Fraga, L. M. Comparison of Mixed and Fixed Effects in the Analysis of a Split Plot Design in an Experiment With Guinea Mombaza (Megathyrsus Maximus Cv. Mombaza). Cuban J. Agric. Sci. 2018, 51.