A. S. B. Ginting, V. Lumban Raja, and K. Tarigan, “TEACHING VOCABULARY ON PHRASAL VERBS THROUGH GUESSING STRATEGY TO THE ELEVENTH MIA GRADE STUDENTS OF SMA SANTO PETRUS MEDAN IN THE ACADEMY YEAR OF 2016/2017”, KAIROS, vol. 3, no. 3, pp. 191–207, Jul. 2020.