Ro’ifah, Ro’ifah. “Singing As An Effective Approach For Learning English On Early Childhood”. Pedagogi : Jurnal Anak Usia Dini Dan Pendidikan Anak Usia Dini, vol. 5, no. 2, November 2019, hlm. 12-19, doi:10.30651/pedagogi.v5i2.3484.