Joan Hope Elgincolin และ Martin Goerlich. (2014) An exploratory research on knowledge management practies of a nonprofit organization. Stamford International University:ม.ป.ท.Joan Hope Elgincolin และ Martin Goerlich. 2014. An exploratory research on knowledge management practies of a nonprofit organization. ม.ป.ท.:Stamford International University;Joan Hope Elgincolin และ Martin Goerlich. An exploratory research on knowledge management practies of a nonprofit organization. ม.ป.ท.:Stamford International University, 2014. Print.