List of Articles Open Access Article Abstract Page Full-Text 1 - The Current Models of Credit Portfolio Management: A Comparative Theoretical Analysis A. Derbali S. Hallara Open Access Article Abstract Page Full-Text 2 - Factors Affecting Concern about Zakat as a Tax Deduction in Indonesia D. Siswantoro S. Nurhayati Open Access Article Abstract Page Full-Text 3 - Land Line Consumer Problems and Perceptions on Telecom Services A study on Bharat Sanchar Nigam Limited D. Srinivasa Prasad S. Gangadhara Rama Rao Open Access Article Abstract Page Full-Text 4 - Perception of Students on Business Social Responsibility (BSR) with Regards to Profitability, Long Term and Short Term Success of Firms in Nigerian (SEM Approach) A. H. Goron Dutse H. Hilman Open Access Article Abstract Page Full-Text 5 - Mobile Banking Service Quality and Customer Satisfaction (Application of SERVQUAL Model) S. F. Amiri Aghdaie F. Faghani Open Access Article Abstract Page Full-Text 6 - Satisfaction towards Customer Loyalty in Auto-Mobile Industry of Pakistan A. U. Haq Open Access Article Abstract Page Full-Text 7 - Applying Stackelberg Game to Find the Best Price and Delivery Time Policies in Competition between Two Supply Chains M. Fathian M. Narenji E. Teymoori G. Jalali