1) Ramakrishna, Kumar, and See Seng Tan. After Bali: The Threat of Terrorism in Southern Asia. World Scientific, 2003Ramakrishna, Kumar, and See Seng Tan. After Bali: The Threat of Terrorism in Southern Asia. World Scientific, 2003
2) Singh, Daljit. Terrorism in South and Southeast Asia in the Coming Decade. Singapore: Institute of Southeast Asian Studies in association with Macmillan, 2009.