Tarigan, K. E. “STUDENTS’ ERRORS IN USING INFINITIVE AT SECOND YEAR STUDENTS OF SMK SWASTA AWAL KARYA PEMBANGUNAN (AKP) LUBUK PAKAM”. Kairos English Language Teaching Journal, vol. 3, no. 1, July 2020, pp. 11-18, doi:10.54367/kairos.v3i1.826.