BALAN, P., and T. M. bin Abdul Rashid. “Doktrin Ultra Vires Dan Seksyen 20 Akta Syarikat 1965”. Journal of Malaysian and Comparative Law, vol. 24, no. 1 and 2, Jan. 2019, pp. 27-54, https://ejournal.um.edu.my/index.php/JMCL/article/view/16116.