Sakulrat Songnisai และ Kongkiti Phusavat. (2008) Using capability maturity model to assess the effectiveness of ISO 9001:2000 implementation:. Kasetsart University,:ม.ป.ท.Sakulrat Songnisai และ Kongkiti Phusavat. 2008. Using capability maturity model to assess the effectiveness of ISO 9001:2000 implementation:. ม.ป.ท.:Kasetsart University,;Sakulrat Songnisai และ Kongkiti Phusavat. Using capability maturity model to assess the effectiveness of ISO 9001:2000 implementation:. ม.ป.ท.:Kasetsart University, 2008. Print.