H. Soker, A., Kamel Ashour, A., K. Abo Elkhair, R. (2009). 'Farmers’ Motivation of Harmful Birds Control, to Cereal Crops at Some Villages Kom Hamada District Elbehira Governorate', Alexandria Science Exchange Journal, 30(JULY- SEPTEMBER), pp. 111-125. doi: 10.21608/asejaiqjsae.2009.158808