Fernando และผู้แต่งคนอื่นๆ. (2003) Managerial entrepreneurship in the Sri Lanka Administrative Service : a multidisciplinary perspective. National Institute of Development Administration:ม.ป.ท.Fernando และผู้แต่งคนอื่นๆ. 2003. Managerial entrepreneurship in the Sri Lanka Administrative Service : a multidisciplinary perspective. ม.ป.ท.:National Institute of Development Administration;Fernando และผู้แต่งคนอื่นๆ. Managerial entrepreneurship in the Sri Lanka Administrative Service : a multidisciplinary perspective. ม.ป.ท.:National Institute of Development Administration, 2003. Print.