APA
National environment commission, . (2002). environmental Codes of practice for Hazardous waste management/ (Acc: D 104). Thimphu: National environment commission.
Chicago
National environment commission, . 2002. environmental Codes of practice for Hazardous waste management/ (Acc: D 104). Thimphu: National environment commission.
Harvard
National environment commission, . (2002). environmental Codes of practice for Hazardous waste management/ (Acc: D 104). Thimphu: National environment commission.
MLA
National environment commission, . environmental Codes of practice for Hazardous waste management/ (Acc: D 104). Thimphu: National environment commission. 2002.
