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 (Oct. 2023), 107–118. DOI:https://doi.org/10.59890/ijaamr.v1i2.630.