Mamat, M. A. A., I. Saat, and K. Ariffin. “Impak Dasar Ekonomi Baru Ke Atas PeningkatanEkonomi Bumiputera Selepas Tragedi 13 Mei 1969: The Impact of New Economic Policy on EconomicImprovement Tragedy to Bumiputera After 13 of May 1969”. Perspektif Jurnal Sains Sosial Dan Kemanusiaan, vol. 6, no. 3, Dec. 2014, pp. 138-51, https://ojs.upsi.edu.my/index.php/PERS/article/view/1680.