1. ADB (Asian Development Bank). 2012a. “Cambodia: Urban Sector Assessment, Strategy, and Road.” ADB Mandaluyong City.
2. ADB (Asian Development Bank). 2016. “Country Partnership Strategy: Papua New Guinea, 2016-2020.” ADB, Manila.
3. Ballesteros, M M 2011. “Why Slum Poverty Matters.” Philippine Institute for Development Studies Manila.
4. Blank, L 2008. “Rapid Youth Assessment in Port Moresby, Papua New Guinea.” World Bank Washington, DC.