00680pamaa2200193 4500 0000048209 20101104090000.0 101104 eng 9789087280802 (pbk.) TK6570.M6 ONG 2010 Ong Mobile communication and the protection of children R.Y.C. Ong. Nederlands: Leiden University Press, 2010. xvii, 1998: ill.; 26 cm. SIKS dissertation series no. 2010-10 Includes bibliographical references and index Mobile communication systems -- Design Computers and children http://www.education.leiden.edu/