PeÅ¡aković, M., Јelena Tomić, M. Lukić, Žaklina Karaklajić-Stajić, R. Miletić, and S. M. Paunović. “Beneficial Role of Biofertilization on Yield Related Characteristics of Two Apple Cultivars and Soil Microorganisms under Orchard Conditions”. European Journal of Sustainable Development, vol. 6, no. 3, Oct. 2017, p. 423, doi:10.14207/ejsd.2017.v6n3p423.