فهرس المقالات R Software حرية الوصول المقاله صفحة الملخص نص كامل 1 - Dynamics of Global Agricultural Productivity and Democratic Governance Structure: Implications for Sustainable Food Supply Job Nmadu Usman Mohammed Yebosoko Nmadu Halima Sallawu Sokoyami Nmadu Mohammed Ndanitsa Ezekiel Yisa Kpotun Baba Taiwo Amos Abigail Jirgi
