Cancino, M. and Mera, S. 2022. ASSESSING THE IMPACT OF TEACHER L2 USE ON LEARNER SELF-EFFICACY PERCEPTIONS: THE CASE OF CHILEAN ELEMENTARY EFL LEARNERS. TEFLIN Journal. 33, 1 (May 2022), 27–46. DOI:https://doi.org/10.15639/teflinjournal.v33i1/27-46.