المؤلفون: Brookfield, Harold, Liang, Luohui, Jansky, Libor, Miguel Pinedo-Vasquez, Gyasi, Edwin A., Kevin Coffey, Charles Anane-Sakyi, Saa Dittoh, Bryant Allen, John Sowei

Relation: http://collections.unu.edu/eserv/UNU:8427/n2001__02_.pdf; http://collections.unu.edu/view/UNU:8427

الاتاحة: http://collections.unu.edu/view/UNU:8427