Fawzah, Vicky, and Rohani . “STUDENTS’ DIFFICULTIES IN CHANGING ACTIVE VOICE INTO PASSIVE VOICE IN SIMPLE PRESENT TENSE AND SIMPLE PAST TENSE”. ELT Forum: Journal of English Language Teaching 7, no. 1 (August 30, 2018): 32-39. Accessed November 22, 2024. http://journal.unnes.ac.id/sju/elt/article/view/25302.