id	keyword
hassl-3011	field
hassl-3011	trip
hassl-3011	students
hassl-3011	field trip
hassl-3011	university
hassl-3011	education
hassl-3011	satisfaction
hassl-3011	knowledge
hassl-3011	motivation
hassl-3011	technology
hassl-3011	vietnam
hassl-3011	capital
hassl-3011	enterprise
hassl-3011	learning
hassl-3011	identity
hassl-3011	vietnamese