1. Setel P, Macfarlane SB, Szreter S, et al: A scandal of invisibility: making everyone count by counting everyone. Lancet. 2007, 370: 1669-1677. 10.1016/S0140-6736(07)61307-5.
2. United Nations Children’s Fund (UNICEF). A passport to protection. UNICEF, 2013. Accessed at: http://www.unicef.org/protection/files/UNICEF_Birth_Registration_Handbook.pdf.
3. Plan International? Figure about 35 million of Indonesia’s children.
4. Measure DHS: Demographic and health surveys: Indonesia. 2012, ICF International, Calverton
5. Central Board of Statistics (BPS) of Indonesia. Indonesia Susenas: 2009 (Core). Canberra: Australian Data Archive, the Australian National University, 2009.