Pitchaya Javakorn และ Chindalak Vadhanasindhu. (2019) Factors influencing the improvement of knowledge sharing : empirical study of the Industrial Estate Authority of Thailand (IEAT). National Institute of Development Administration:ม.ป.ท.Pitchaya Javakorn และ Chindalak Vadhanasindhu. 2019. Factors influencing the improvement of knowledge sharing : empirical study of the Industrial Estate Authority of Thailand (IEAT). ม.ป.ท.:National Institute of Development Administration;Pitchaya Javakorn และ Chindalak Vadhanasindhu. Factors influencing the improvement of knowledge sharing : empirical study of the Industrial Estate Authority of Thailand (IEAT). ม.ป.ท.:National Institute of Development Administration, 2019. Print.