1. Water Pollution: Causes, Effects and Control;Goel,2006
2. M. Denchak, Water Pollution: Everything You Need to Know, (2018), https://www.nrdc.org/stories/water- pollution-everything-you-need-know (accessed 28 December 2020)
3. Development of river trash collector system;Mukhtar;J. Phys.: Conf. Ser.,2020
4. An autonomous ship for cleaning the garbage floating on a lake;Su,2009
5. Research and development of Ro-boat: an autonomous river cleaning robot, Proc. SPIE 9025, Intelligent Robots and Computer Vision XXXI;Sinha;Algor. Techn.,2014