Penkhae Siriwan. (1990) Education management for the generation of self-employment of graduated. National Institute of Development Administration,:ม.ป.ท.Penkhae Siriwan. 1990. Education management for the generation of self-employment of graduated. ม.ป.ท.:National Institute of Development Administration,;Penkhae Siriwan. Education management for the generation of self-employment of graduated. ม.ป.ท.:National Institute of Development Administration, 1990. Print.