HAJI ISMAIL, Z. “PEMIKIRAN DAN PERJUANGAN POLITIK: DR BURHANUDDIN AL-HELMI: Thought and Political Struggle: Dr Burhanuddin Al-Helmi”. Jurnal Peradaban Melayu, vol. 10, Dec. 2015, pp. 53-75, https://ejournal.upsi.edu.my/index.php/JPM/article/view/2006.