Rodríguez, S.J. and Rivera-López, C. 1977. Effect of Size of Propagating Material and Planting Distance on Production of Sanders’ Dracaena (Dracaena sanderiana Hort.) at Five Shade Intensities. The Journal of Agriculture of the University of Puerto Rico. 61, 4 (Oct. 1977), 479–483. DOI:https://doi.org/10.46429/jaupr.v61i4.10412.