[1]
Mangual-Crespo, G. and Martin, F.W. 1980. Effect of Spacing on Seed, Protein, and Oil Production of Four Okra Varieties. The Journal of Agriculture of the University of Puerto Rico. 64, 4 (Oct. 1980), 450–459. DOI:https://doi.org/10.46429/jaupr.v64i4.10191.