List of Articles industrial units Open Access Article Abstract Page Full-Text 1 - Investigate the Relationship between R&D Costs and Profitability of Companies in Kerman Province Superior Companies Mehdi Amirzadeh Ahmad Jafarnezhad Alireza Jashireh Nezhad Open Access Article Abstract Page Full-Text 2 - Investigating the Relationship between Multiple Intelligence and General Self-efficiency of the Personnel in Producing, Commercial, and Industrial Units Serus Fakhimi Azar Mohammad reza Norozi Open Access Article Abstract Page Full-Text 3 - Analysis of the Impact of Business External Environment Components on Manufacturing-Commercial Performance of Industrial Units in Ardabil Province Ali Nazari sheikh Ahmad fathi soroush Mostafa Azkia Open Access Article Abstract Page Full-Text 4 - Investigating the Impact of Business Technology Environment Components on Production-Commercial Performance of Industrial Units (Ardabil Province) علی نظری شیخ احمد سروش فتحی مصطفی ازکیا