Maryam Saadat, Maryam Ooshaksaraie, The Effect of Human Resource Management Practices of Marketing Sector on Internal Organizational Social Capital (Case Study: Manufacturing Companies of Gilan Province), International Business Management, Volume 10,Issue 10, 2016, Pages 2027-2032, ISSN 1993-5250, ibm.2016.2027.2032, (https://makhillpublications.co/view-article.php?doi=ibm.2016.2027.2032) Abstract: Human resource management practices play an important role in marketing activities with policies and practices that they consider for the most valuable asset of organization that is staff of that organization. It leads to development and improvement of internal organizational social capital to achieve organizational goals. The aim of this study is to investigate the relationship between human resource managemenpractices of marketing sector and internal organizational social capital. This study is applied in terms of goal and it is descriptive in terms of data analysis and it used questionnaire to collect data. Population of study included 97 manufacturing companies operating in industrial cityof Rasht in Gilan Province. SPSS Software was used to analyze data of study. The results showed that there is significant relationship betweenhuman resource management practices dimensions of marketing sector and internal organizational social capital. Therefore, it is suggested that similar research projects to be conducted in other organizations at wider dimensions. Keywords: Human resource management;ability practices;motivation practices;opportunity practices;marketing;internal organizational social capital