· Paul, J.G., Arce-Jaque, J., Ravena, N., Villamor, S.P., “Integration of the informal sector into municipal solid waste management in the Philippines-What does it need?”, Waste Manage., 32(11), 2012, pp.2018~2028.
· Wilson, D., et al., “Comparative analysis of solid waste management in 20 cities”, Waste Manage. Res., 30(3), 2012, pp.237~254.
· Gutberlet, J., “Waste to energy, wasting resources and livelihoods”, Integr. Waste Manage., 1, 2012, pp.219~236.
· Linzer, R., Salhofer, S., “Municipal solid waste recycling and the significance of informal sector in urban China”, Waste Manage, Res. 32(9), 2014, pp.896~907.
· Medina, M., “Scavenger cooperatives in Asia and Latin America”, Resour. Conserv. Recycl., 31, 2002, pp.51~89.
· Nas, P., Jaffe, R., “Informal waste management: Shifting the focus from problem to potential”, Environ. Dev. Sustain., 6, 2004, pp.337~353.
· Ezeah, C., Fazakerley, J., Roberts, C., “Emerging trends in informal sector recycling in developing and transition countries”, Waste Manage., 33(11), 2013, pp.2509~2519.
· Yates, J., Gutberlet, J., “Enhancing livelihoods and the urban environment: the local political framework for integrated organic waste management in Diadema, Brazil”, J. Develop. Stud., 47(4), 2011, pp.439~456.
· Velis, C., et. al., “An analytical framework and tool (‘InteRa’) for integrating the informal recycling sector in waste and resource management systems in developing countries”, Waste Manage. Res., 30(9), 2012, pp.43~66.
· Baud, I., et al., “Quality of life and alliances in solid waste management. Contributions to urban sustainable development”, J. Cities, 18(1), 2001, pp.3~12. Rathi, S., “Alternative approaches for better municipal solid waste management in Mumbai. India”., Waste Manage., 26(10), 2006, pp.1192~1200.
· Aparcana, S., Salhofer, S., “Development of a social impact assessment methodology for recycling systems in low income countries”, Int. J. Life Cycle Assess., 18(5), 2013, pp.1106~1115.
· Wang, X., Geng, Y., “Municipal solid waste management in Dalian: practices and challenges”, Front. Environ. Sci. Eng., 6(4), 2012, pp.540~548.
· Velis, C., et al., “An analytical framework and tool (‘InteRa’) for integrating the informal recycling sector in waste and resource management systems in developing countries”, Waste Manage. Res., 30(9), 2012, pp.43~66.
· Abarca, L., Maas, G., Hogland, W., “Review: solid waste management challenges for cities in developing countries”, Waste Manage., 33, 2013, pp.220~232.
· Troschinetz, A., Mihelcic, J., “Sustainable recycling of municipal solid waste in developing countries”, Waste Manage., 29(2), 2009, pp.915~923.
· Lohri, C., Camenzind, E., Zurbrügg, C., “Financial sustainability in municipal solid waste management-costs and revenues in Bahir Dar, Ethiopia”, Waste Manage., 34, 2014, pp.542~552.
· Axenie, C., Conradt, J., “Cortically inspired sensor fusion network for mobile robot ego-motion estimation”, Robot. Auton. Syst. 71, 2015, pp.69~82.
· Barca, J.C., Sekercioglu, Y.A., “Swarm robotics reviewed”, Robotica, 31(03), 2013, pp.345~359.
· Vasilyev, I., Kashourina, A., Krasheninnikov, M., Smirnova, E., “Use of mobile robots groups for rescue missions in extreme climatic conditions”, Procedia Eng., 100, 2015, pp.1242~1246.