Objective: The aim of this research was to identify factors influencing the increase of users at the libraries of Astan Quds Razavi based on customer-focused marketing model "4 C's" from the point of view of librarians.
Methodology: The research method is descriptive-survey. Data were collected through a questionnaire survey from 163 librarians out of 243 employees. And given the small size of population, sampling was conducted and questionnaires were distributed among the population. The questionnaire consisted of 40 closed questions in four sections. The research population included all of library managers and librarians working in the library. According to the non-normality of the data, to test the hypotheses, regression and chi-square test for the relationship between variables and Spearman correlation coefficient was used.
Results: The results showed that elements in the marketing mix 4 C's are effective to attract users to the libraries of Astan Quds Razavi. Its components, that is, convenience and cost, respectively, were considered to have a major role in attracting users to the libraries of Astan Quds Razavi.
Conclusion: Customer/consumer value has no effect on attracting users. The results also showed the elements of the marketing mix 4 C's can be helpful to attract users to the libraries of Astan Quds Razavi
