Nachiappan, Suppiah, Anis Iliani Ahmad, Hari Krishnan Andi, and Velayudhan P. K Veeran. 2012. “Relationship Between Secondary School Integrated Curriculum (KBSM) Good Values and Aggressiveness Among Secondary School Students”. International Journal of Asian Social Science 2 (6):830-40. https://archive.aessweb.com/index.php/5007/article/view/2261.