Ambrus, A., J. Nyéki, M. Soltész, and Z. Szabó. 2012. “Effect of Foliar Spraying With Algae Suspension on Leaf and Fruit Quality Parameters of Apple Varieties”. International Journal of Horticultural Science 18 (1): 35-38. https://doi.org/10.31421/IJHS/18/1/991.