Al Naza'at al-batiniyah all-tahrifiyah wa atharuha fi al-waqi' al-dini al-ijtima'i li-Brunay Dar al-Salam. - Norarfan Haji Zainal (Brunei: Kolej Universiti Perguruan Ugama Seri Begawan, 2011)
Keywords: Islamic sects -- -- Brunei; Islam -- -- Brunei