Sinurat, T. M., Sari, A. S. P. and Sembiring, N. (2017) “IMPROVING STUDENTS’ READING COMPREHENSION OF THE TWELFTH GRADE STUDENTS OF SMA NEGERI 1 BATANG KUIS THROUGH GROUP INVESTIGATION METHOD”, Kairos English Language Teaching Journal, 1(2), pp. 22–34. doi: 10.54367/kairos.v1i2.501.