·Yagasa, R., Uch, R., and Sam, P., (2019). Solid Waste Management Challenges in Developing Countries: Chapter 3. Solid Waste Management in Cambodia. Published in the United States of America by IGI Global (available @: https://www.igi-global.com/)
·Yagasa, R., Gamaralalage, P. J. D., Singh, R. K., Onogawa, K., Sang-Arun, J., Totoki, Y., . . . Seng, B. (2018). Phnom Penh Waste Management Strategy and Action Plan 2018-2035. In K. V. Thida, R. Yagasa & N. Akhmedkhodjaeva (Eds.). Phnom Penh: Phnom Penh Capital Administration. (available @: https://ccet.jp/)
·Yagasa, R., Sang-Arun, J., Uch, R., Sam, P., & Gamaralalage, P. J. D. (2018). Participatory Waste Management Approach for Climate Change Mitigation: The Case of Battambang City (Khmer Edition). In R. Uch & R. Yagasa (Eds.). Phnom Penh: Institute for Global Environmental Strategies (available @: https://ccet.jp/)
·Yagasa, R., Uch, R., & Kickella, P. (2019). Ecology Note - Towards a Clean, Green and beautiful Capital City (English). Japan: Institute for Global Environmental Strategies. (available @: https://ccet.jp/)
·SANG-ARUN, J., Chau, K. H., Uch, R., & Sam, P. (2012). A guide for technology selection and implementation of urban organic waste utilisation projects in Cambodia (Khmer & English). Phnom Penh: Institute for Global Environmental Strategies (available @: https://ccet.jp/)
·IGES Research report 2011: Preparatory research for the development of an action plan for solid waste management in Battambang city, Cambodia (available @: https://ccet.jp/)
·MOE 2006: Environmental Guideline on Solid Waste Management in the Kingdom of Cambodia