Ananta, Aris; Arifin, Evi Nurvidya; Suryadinata, Leo (2005). Emerging Democracy in Indonesia. Institute of Southeast Asian Studies. pp. 82–83. ISBN9789812303226. Archived from the original on 5 February 2020. Retrieved 26 April 2019.
Ananta, Aris; Arifin, Evi Nurvidya; Suryadinata, Leo (2005). Emerging Democracy in Indonesia. Institute of Southeast Asian Studies. pp. 82–83. ISBN9789812303226. Archived from the original on 5 February 2020. Retrieved 26 April 2019.