Mad, Cik Ani and Nik Mat, Nik Kamariah and Zainudin, Nasruddin and Ahmad, Nor Hayati and Engku Chik, Engku Ngah (2004) Impact of pengging on Malaysian Ringgit after the onset of the Asian financial crisis in July 1997. In: Global financial markets : issues and strategies. Praeger Publishers, Westport, pp. 187-204. ISBN 1567205720

Zainudin, Nasruddin and Engku Chik, Engku Ngah (2000) Tawaran awam permulaan : Tinjauan prestasi sepanjang dekad. In: Lanskap kewangan 2000. Universiti Malaysia Sabah, Kota Kinabalu , pp. 107-122. ISBN 9832188490

Zainudin, Nasruddin and Ahmad, Nor Hayati and Engku Chik, Engku Ngah and Nik Mat, Nik Kamariah and Mad, Che Ani (2004) The national economic recovery plan : Perception of financial market. In: Regional financial markets issues and policies. Praeger, Westport, pp. 247-259. ISBN 9781567205739