1. Plastic waste inputs from land into the ocean
2. J. Rawlins, J. Beyer, J. Lampreia, and F. Tumiwa, Waste to energy in Indonesia (The Carbon Trust, London, 2014), pp. 7–9.
3. T. R. Dye, Understanding Public Policy (Prentice-Hall, Englewood Cliffs, 1972), p. 2.
4. T. A. Birkland, An Introduction to the Policy Process (Routledge, New York, 2016), pp. 8–9.
5. A. Kay, The Dynamics of Public Policy: Theory and Evidence (Edward Elgar, Cheltenham, 2006), p. 2