[1]
Mangual Crespo, G. 1981. Effect of Two Planting Systems on Density and Yield of Snap Beans (Phaseolus vulgaris L.). The Journal of Agriculture of the University of Puerto Rico. 65, 4 (Oct. 1981), 313–316. DOI:https://doi.org/10.46429/jaupr.v65i4.7609.