Lumaela, E. and Que, S. 2021. USING OF EXPLICIT INSTRUCTION METHOD IN IMPROVING STUDENTS’ GRAMMAR ABILITY IN SIMPLE PRESENT TENSE AT CLASS X3 OF SMA NEGERI 4 LEIHITU. Jurnal Tahuri. 18, 1 (Feb. 2021), 13-32. DOI:https://doi.org/10.30598/tahurivol18issue1page13-32.