List of Articles Nash equilibrium point Open Access Article Abstract Page Full-Text 1 - Modeling the Impact of Raw Materials Suppliers Competition on Procurement Costs in the Green Closed Loop Supply Chain saeed saljooghi Ramin Sadeghian 10.30495/qjopm.2020.1896080.2807 Open Access Article Abstract Page Full-Text 2 - Optimal Bidding Strategy of Generation Companies (GenCos) in Energy and Spinning Reserve Markets Using Linear Programming Hassan Barati Ali Habibzadeh Afshin Lashkarara Jamshid Aghaei