Irma Wahyuni, Putri Dewi Melia. GRAMMATICAL ERROR ANALYSIS ON STUDENTS`WRITING OF APPLICATION LETTER AT 12TH GRADE OF VOCATIONAL HIGH SCHOOL. JELLi [Internet]. 2020 Sep. 5 [cited 2026 Jun. 8];3(2):25-32. Available from: https://journal.umbogorraya.ac.id/index.php/englishforum/article/view/211