Is Drought Caused by Fate? Analysis of Farmers’ Perception and Its Influencing Factors in the Irrigation Areas of GAP-Şanlıurfa, Turkey oleh Mustafa Hakkı Aydoğdu, Mehmet Cançelik, Mehmet Reşit Sevinç, Mehmet Ali Çullu, Kasım Yenigün, Nihat Küçük, Bahri Karlı, Şevket Ökten, Uğur Beyazgül, Hatice Parlakçı Doğan, Zeliha Şahin, Nusret Mutlu, Celal Kaya, Ayla Yenikale, Akif Yenikale