James, Anne; Bulajoul, Waleed; Shehu, Yahaya; Yinsheng Li, ; Obande, Godwin: 'Security challenges and solutions for e-business' (Security, 2018), 'Information Security: Foundations, Technologies and Applications', Chap. 6, pp. 121-147, DOI: 10.1049/PBSE001E_ch6
IET Digital Library, https://digital-library.theiet.org/;jsessionid=ak08nar4o7829.x-iet-live-01content/books/10.1049/pbse001e_ch6