Amornrat Pornprasertsakul. 2002. The development of payphone operation and administration system : case study of Thai Telephone & Telecommunication Public Company Limited. Field of Study Technology of Information System Management, Mahidol University;
Amornrat Pornprasertsakul. (2002) The development of payphone operation and administration system : case study of Thai Telephone & Telecommunication Public Company Limited . Mahidol University/Bangkok.
Amornrat Pornprasertsakul. The development of payphone operation and administration system : case study of Thai Telephone & Telecommunication Public Company Limited. . Bangkok:Mahidol University, 2002.
Amornrat Pornprasertsakul. (2002) The development of payphone operation and administration system : case study of Thai Telephone & Telecommunication Public Company Limited . Mahidol University/Bangkok.