id	keyword
eltls-56130	language
eltls-56130	emotion
eltls-56130	learning
eltls-56130	teaching
eltls-56130	recognition
eltls-56130	studies
eltls-56130	system
eltls-56130	regulation
eltls-56130	research
eltls-56130	learners
eltls-56130	language learning