List of Articles Performance Enhancement Open Access Article Abstract Page Full-Text 1 - Improvement of Software-Defined Network Performance Using Queueing Theory: A Survey Ava Tahmasebi Ahmad Salahi Mohammad Ali Pourmina 10.52547/mjtd.10.1.33 Open Access Article Abstract Page Full-Text 2 - Factors Affecting Performance Enhancement of Commerce and Civil Service Company Managers in Gillan Province Hussein Aghayei pour Fetrati seyad mahmoud hashemi 10.30495/qjopm.2020.1867230.2437 Open Access Article Abstract Page Full-Text 3 - Performance enhancement for crystallization unit of a sugar plant using genetic algorithm technique P C Tewari Rajiv Khanduja Mahesh Gupta