Varinporn Pienpitak. 2009. Critical success factors on the quality improvement of the medical laboratory system in regional and general hospitals under the office of the permanent secretary of the Ministry of Public Health : Thailand. Faculty of Medicine Siriraj Hospital, Mahidol University;

Varinporn Pienpitak. Critical success factors on the quality improvement of the medical laboratory system in regional and general hospitals under the office of the permanent secretary of the Ministry of Public Health : Thailand. . Bangkok:Mahidol University, 2009.

Varinporn Pienpitak. (2009) Critical success factors on the quality improvement of the medical laboratory system in regional and general hospitals under the office of the permanent secretary of the Ministry of Public Health : Thailand . Mahidol University/Bangkok.