List of Articles classic grounded theory Open Access Article Abstract Page Full-Text 1 - Presenting the pattern of cognitive and emotional elements in visual advertisements ALLAHYAR GHASEMI ahmad Rahchamani Hamidreza saeednia Open Access Article Abstract Page Full-Text 2 - Contingency model of business portfolio analysis in holding companies Mohammad Talari seyed hamid khodadad Hosseini Asadollah Kordnaiej Adel Azar