“Polyhydroxyalcanoates of Strains of Azospirillum Spp. Isolated of Roots of Lycopersicon Esculentum Mill. “tomato” and Oryza Sativa L. ‘rice’ in Lambayeque”. 2010. Scientia Agropecuaria 1 (3 y 4): 213-24. https://doi.org/10.17268/sci.agropecu.2010.04.05.