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List of Articles محمد شعبان زاده Open Access Article Abstract Page Full-Text 1 - Change from the purchasing price policy to the guaranteed price policy and its effects on cropping pattern in Qazvin plain mehdi shabanzadeh Gholamreza peykanei seyed safdar hoseini saeid yazdanei 20.1001.1.20086407.1398.11.41.6.1
