Lubis, Siti Isma Sari, Fitri Rayani Siregar, and Maryati Salmiah. 2020. “The Effectiveness of Using Instagram As Teaching Tools in Learning Process of 3rd Semester of English Department Students”. Jurnal Bahasa Lingua Scientia 12 (2):217-28. https://doi.org/10.21274/ls.2020.12.2.217-228.