“STUDI KEMAMPUAN BERBAHASA INGGRIS MAHASISWA NON-ENGLISH DEPARTMENT MELALUI KEGIATAN INTENSIVE COURSE MODEL B”. Jurnal Bahasa Lingua Scientia, vol. 3, no. 2, Nov. 2011, pp. 141-9, https://doi.org/10.21274/ls.2011.3.2.141-149.