Kojima, T., Kimura, T., Yamaji, M. and Amasaka, K. 2010. Proposal And Development Of The Direct Mail Method PMCI-DM For Effectively Attracting Customers. International Journal of Management & Information Systems (IJMIS). 14, 5 (Nov. 2010). DOI:https://doi.org/10.19030/ijmis.v14i5.9.