Halila, Halila, et al. “PENGARUH MEDIA PEMBELAJARAN AUDIO COMPACT DISK DAN KARTU KATA BERGAMBAR TERHADAP PENGENALAN HURUF ANAK TK KARTINI”. Journal of Education Technology and Inovation, vol. 4, no. 1, Aug. 2021, pp. 32-41, http://jurnal.unipar.ac.id/index.php/jeti/article/view/589.