1. Asian Development Bank. 2000. Industry and the Environment. Chapter 6 in Asian Environmental Outlook 2001. ADB Report.
2. Behnsen A., Hilebrecht K., Kurzingar E., and Kranert M. 2002. Waste minimization in small and medium enterprises. International conference of appropriate environmental and solid waste management and technologies for developing countries. Turkey, Istanbul: ISWA.
3. Coordinating Ministry For Economic Affairs. 2011. Masterplan for Acceleration and Expansion of Indonesia Economic Development.
4. FAO. 2000. The world cassava economy: facts, trends, and outlook. Food and Agriculture Organizations of the United Nations. FAO report, pp 7-15.