Mohd Ayup, Mohd Taufik, وآخرون. "Persepsi Pelajar Terhadap Keberkesanan Program 3K Di Sekolah Menengah Negeri Selangor Darul Ehsan: Student Perception on The Effectiveness of 3K Program in Selangor State Secondary School Darul Ehsan". JURNAL AL-ANWAR, يونيو، 2020, ص 51-59, https://jurnalanwar.com/index.php/ojs/article/view/113.