List of Articles Variances Open Access Article Abstract Page Full-Text 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 Open Access Article Abstract Page Full-Text 2 - Examining the Efficiency Models, Genetic Algorithm under MSV Risk and Particle Swarm Optimization Algorithm under CVAR Risk Criterion in Selection Optimal Portfolio Shares Listed Firms on Stock Exchange Dariush Adinevand Ebrahim Ali Razini Mahmoud Khodam Fereydoun Ohadi Elham Elsadat Hashemizadeh 10.30495/fed.2023.707996