Untari, L. and Ladipa Untari (2023) “The Effect of Using Letter Card Media On The Language Ability (Literacy) Of Children Aged 4-5 Years At RA Tsamaniatun Hasanah Medan-Binjai KM.13.5 In Academic Year 2021/2022”, International Journal of Applied and Advanced Multidisciplinary Research, 1(2), pp. 107–118. doi: 10.59890/ijaamr.v1i2.630.