Siraprapa Romyen. 2006. Utilization of biomass as sorbent material to prevent organophosphate pesticides contaminate to soil. Field of Study Environmental Management, Chulalongkorn University;
Siraprapa Romyen. (2006) Utilization of biomass as sorbent material to prevent organophosphate pesticides contaminate to soil . Chulalongkorn University/Bangkok.
Siraprapa Romyen. Utilization of biomass as sorbent material to prevent organophosphate pesticides contaminate to soil. . Bangkok:Chulalongkorn University, 2006.
Siraprapa Romyen. (2006) Utilization of biomass as sorbent material to prevent organophosphate pesticides contaminate to soil . Chulalongkorn University/Bangkok.