Sustainable waste management : observing the economic and environmental aspects in solid waste recycling by the poor migrants in Indonesia / by Eusoff Yendo Afgani, author, Norhaya Kamarudin, author, Hishamuddin Mohd. Ali, author, Abdul Hamid Mar Iman, supervisor, author, National Seminar Science, Technology Social, Science (2008 Kuantan, Pahang)