El -Ahsry, R., Abd El-Aal, E., I., M. (2012). 'Evaluation of Natural and Synthetic Materials against Certain Nematode Species in Citrus Orchards at Sharkia Governorate, Egypt', Egyptian Journal of Agronematology, 11(1), pp. 144-158. doi: 10.21608/ejaj.2012.413930