Samruam Chongcharoen. 2002. Powers of some one-sided multivariate tests with unknown population covariance matrix. Bangkok:National Institute of Development Administration;
Samruam Chongcharoen. (2002) Powers of some one-sided multivariate tests with unknown population covariance matrix (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.
Samruam Chongcharoen. Powers of some one-sided multivariate tests with unknown population covariance matrix. Bangkok:National Institute of Development Administration, 2002.
Samruam Chongcharoen. (2002) Powers of some one-sided multivariate tests with unknown population covariance matrix (รายงานผลงานวิจัย). National Institute of Development Administration:Bangkok.