Sant Wongwaitrakarn. 2005. Off-farm income of farm labor in Bangkok (case study of government lottery sellers). Field of Study Agricultural Economics, Kasetsart University;
Sant Wongwaitrakarn. (2005) Off-farm income of farm labor in Bangkok (case study of government lottery sellers) . Kasetsart University/Bangkok.
Sant Wongwaitrakarn. Off-farm income of farm labor in Bangkok (case study of government lottery sellers). . Bangkok:Kasetsart University, 2005.
Sant Wongwaitrakarn. (2005) Off-farm income of farm labor in Bangkok (case study of government lottery sellers) . Kasetsart University/Bangkok.