List of Articles Corporate diversification Open Access Article Abstract Page Full-Text 1 - Investigating the effect of corporate diversification on cash retention in companies listed on the Tehran Stock Exchange Mahdis Alemzadeh Open Access Article Abstract Page Full-Text 2 - Investigating the Relationship between Company Diversification and Systematic Risk by Studying the Cash flow of Companies Listed on the Tehran Stock Exchange Zahra Houshmand Negabi Fatemeh Pirhayati