Norbu. 2009. Municipal solid waste characteristics and management in Phuntsholing city, Bhutan. Faculty of Environment and Resource Studies, Mahidol University;
Norbu. (2009) Municipal solid waste characteristics and management in Phuntsholing city, Bhutan . Mahidol University/Bangkok.
Norbu. Municipal solid waste characteristics and management in Phuntsholing city, Bhutan. . Bangkok:Mahidol University, 2009.
Norbu. (2009) Municipal solid waste characteristics and management in Phuntsholing city, Bhutan . Mahidol University/Bangkok.