Li และผู้แต่งคนอื่นๆ. (2019) The impact of positive organizational behaviors on performance of enterprise knowledgeable employees of Beijing China. National Institute of Development Administration:ม.ป.ท.Li และผู้แต่งคนอื่นๆ. 2019. The impact of positive organizational behaviors on performance of enterprise knowledgeable employees of Beijing China. ม.ป.ท.:National Institute of Development Administration;Li และผู้แต่งคนอื่นๆ. The impact of positive organizational behaviors on performance of enterprise knowledgeable employees of Beijing China. ม.ป.ท.:National Institute of Development Administration, 2019. Print.