Ismail, Azniah, et al. “Keupayaan Murid Sekolah Rendah Mempelajari Dan Menerokai Bahasa Pengaturcaraan Visual: Capability of Primary School Pupils in Learning and Exploring Visual Programing Language”. Journal of ICT in Education, vol. 3, June 2019, pp. 89-97, https://ejournal.upsi.edu.my/index.php/JICTIE/article/view/2611.