“Extremism of Rajah Solaiman Movement (RSM) as an Islamic movement in the Philippines: Fahaman pelampau Rajah Solaiman Movement (RSM) sebagai sebuah gerakan Islam di Filipina” (2016) al-Irsyad: Journal of Islamic and Contemporary Issues, 1(1), pp. 74–80. doi:10.53840/alirsyad.v1i1.37.