Azizin, M., and S. Wahyuni. “BEST PRACTICE OF TOEIC LISTENING COURSE ADULT LERNERS AT ENGLISH INSTITUTE IN PARE KEDIRI”. Jurnal Bahasa Lingua Scientia, Vol. 15, no. 2, Nov. 2023, pp. 275-02, doi:10.21274/ls.2023.15.2.275-302.